22 * 23mm 2watt Multimedia Speaker

22 * 23mm 2watt Multimedia Speaker

Nov yog peb cov neeg hais lus multimedia
Xa kev nug
Hauj lwm lawm
Kev tsis

22 * 23mm 2watt Multimedia Speaker

Qauv No.: XDEC-40Y-5

XDEC-40Y-5

 Ntu I. Kev Taw Qhia

 

16-8-22mm-2watt-multimedia-hais lus

Qhov no yog peb cov khoom siv suab nrov, suav nrog cov khoom me me 30mm Mylar Speaker tsav tsheb thiab cov vaj tsev dawb, cov xov hlau rau kev sib txuas. Koj tsuas yog yuav tsum tau ntxiv lub rooj tsavxwm PCB, cov khoom no tuaj yeem ua suab nrov! Heev txuag lub sij hawm tshawb fawb thiab tus nqi, khwv tau lub sij hawm rau koj tus tshiab tsim los rau kev ua lag luam! 34.3 * 8.8mm loj passive Sound Box hais lus nominal impedance 8OHM, ntsuas fais fab 1watt, max zog 1.5watt, F0 1700Hz, zaus ntau F0 ~ 7K.Distortion Tsawg dua lossis sib npaug li 5%. Tus hais lus tsav lub zog ntawm tus neeg hais lus no tsuas yog 1-1.5w, uas tuaj yeem txuag hluav taws xob, thiab lub suab siab siab yog li 94. Lub suab nrov no tuaj yeem siv rau ntau yam khoom siv suab nrov, xws li cov khoom siv portable, kev soj ntsuam xyuas, kev ruaj ntseg systems, ntiv tes xauv, walkie-talkies, thiab lwm yam.

 

Cov Tsav Tsheb hauv Cov Neeg Hais Lus Ua Haujlwm Li Cas?

Txhawm rau nkag siab txog kev ua haujlwm ntawm tus neeg hais lus tsav tsheb, ib tus yuav tsum xub nkag siab cov ntsiab lus ntawm electromagnetism. Thaum twg ib qho hluav taws xob tam sim no ntws los ntawm tus neeg xyuas pib, nws tsim ib qho chaw sib nqus. Piv txwv li, thaum lub magnetic teb yog siv rau ib tug conductor, nws induces ib tug hluav taws xob tam sim no.

Lub hauv paus ntsiab lus no qhia txog kev ua haujlwm ntawm cov neeg hais lus tsav tsheb. Ib tus neeg tsav tsheb raug suav nrog ib lub kauj ntawm cov hlau qhov txhab nyob ib ncig ntawm cov hlau nplaum ruaj khov. Thaum lub suab teeb liab raug xa mus los ntawm lub kauj, nws ua rau muaj kev hloov pauv hauv cov hlau nplaum, ua rau lub kauj mus oscillate. Cov oscillations no ces xa mus rau tus hais lus lub khob hliav qab, uas amplifies lawv thiab emits lawv li suab tsis. Qhov kev tsim qauv yooj yim no ua rau cov neeg hais lus nrov nrov kom rov ua dua qhov dav ntawm cov zaus, los ntawm cov suab bass thaj tsam sib sib zog nqus mus rau cov suab nrov.

 

Hom Tweeters siv nyob rau hauv ib tug hais lus

Dome Tweeters

Ntawm cov tweeters tshaj plaws hauv cov neeg hais lus niaj hnub, dome tweeters muab lawv lub npe los ntawm lawv cov dome-shaped diaphragms, uas vibrate los tsim suab. Feem ntau crafted los ntawm cov ntaub ntawv xws li txhob lo lo ntxhuav, polyester, los yog txhuas, cov domes raug xaiv rau lawv lub peev xwm los tsim kom raug lub suab nrov.

 

Ribbon Tweeters

Siv cov hlua khi ntawm cov hlau, feem ntau yog txhuas lossis cov hlau tshwj xeeb, ribbon tweeters tsim suab los ntawm kev vibrations. Ncua tseg ntawm ob lub hlau nplaum, cov hlau sawb oscillates thaum cov kev kawm hluav taws xob tam sim no los ntawm nws, uas ua rau muaj suab nrov nrov heev.

 

Planar Sib Nqus Tweeters

Ua haujlwm nyias, tiaj tus diaphragm uas muaj cov ntaub ntawv xws li mylar lossis aluminium, planar magnetic tweeters raug tshem tawm ntawm ob lub hlau nplaum. Daim ntawv thov ntawm hluav taws xob tam sim no induces kev co nyob rau hauv lub diaphragm, yooj yim rau zus tau tej cov intricately ncauj lus kom ntxaws high-zaus suab.

 

Horn Tweeters

Harnessing lub horn-shaped diaphragm, feem ntau crafted los ntawm cov ntaub ntawv xws li titanium los yog txhuas, horn tweeters excel ntawm xa suab nrov, crystal-clear high-frequency suab.

 

Electrostatic Tweeters

Featuring nyias diaphragm coated nrog conductive cov ntaub ntawv xws li kub los yog txhuas, electrostatic tweeters raug tshem tawm ntawm ob daim hlau. Kev hla ntawm cov hluav taws xob tam sim no los ntawm cov phiaj xwm ua rau muaj kev vibration hauv lub diaphragm, uas ua rau muaj qhov tseeb, cov ncauj lus kom ntxaws suab nrov.

 

Compression Tweeters

Siv tus tsav tsheb compression, compression tweeters leverage lub diaphragm thiab lub suab coil txuas rau lub horn. Daim ntawv thov ntawm cov hluav taws xob tam sim no rau lub suab coil teeb tsa lub diaphragm vibrating, yog li agitating huab cua nyob rau hauv lub horn kom nrov nrov, meej high-frequency suab.

 

Air Motion Transformer (AMT) Tweeter

Air Motion Transformer (AMT) tweeters siv lub diaphragm folded ua los ntawm pleated polyester zaj duab xis, etched nrog conductive kab, thiab ib tug neodymium hlau nplaum los tsim suab. Thaum siv cov teeb liab hluav taws xob, lub diaphragm compresses thiab nthuav dav zoo li accordion, ua rau huab cua oscillate thiab tsim suab.

 

Cheebtsam ntawm Multimedia Speaker Driver

Driver(s):Tus neeg tsav tsheb ua haujlwm ua lub luag haujlwm tseem ceeb hauv lub luag haujlwm tsim cov suab nthwv dej hauv lub suab hais lus. Txawm hais tias tus neeg hais lus tus qauv muaj tsawg kawg yog ib tus neeg tsav tsheb, ntau tus tsav tsheb sib txawv ntawm qhov ntau thiab tsawg thiab hom yuav raug muab tso ua ke los tswj cov zaus sib txawv. Raws li yav dhau los tau sau tseg, thawj hom tsav tsheb muaj xws li woofers, nruab nrab tsav tsheb, thiab tweeters, txhua qhov muaj ntau yam xws li lub khob hliav qab, lub suab coil, kab laug sab, hlau nplaum, thiab pob tawb.

 

Crossover Network:Ib qho tseem ceeb ntawm cov khoom siv hluav taws xob, lub crossover network faib cov teeb liab nkag mus rau hauv cov zaus sib txawv thiab coj lawv mus rau cov tsav tsheb tsim nyog. Qhov kev ua haujlwm no yog qhov tseem ceeb rau kev ua kom ntseeg tau tias txhua tus tsav tsheb tau txais ntau zaus raws li nws lub peev xwm tsim tawm. Feem ntau, tus neeg hais lus suav nrog kev sib txuas sib txuas sib cais sib cais rau hauv qhov qis, nruab nrab, thiab cov khoom siv siab.

 

Enclosure:Ua haujlwm ua vaj tse rau cov neeg tsav tsheb thiab kev sib txuas sib txuas, lub kaw lus suav tias yog lub luag haujlwm tseem ceeb hauv kev tiv thaiv kev cuam tshuam ntawm lub suab nthwv dej tawm ntawm sab xub ntiag thiab sab nraub qaum ntawm tus tsav tsheb. Tsis tas li ntawd, cov ntaub thaiv npog cuam tshuam tus neeg hais lus cov qauv hluav taws xob thiab cov lus teb zaus, cuam tshuam rau nws lub suab zoo. Enclosures muaj nyob rau hauv ntau yam duab, qhov ntau thiab tsawg, thiab cov ntaub ntawv, nrog rau lawv cov kev tsim intricacies tseem ceeb heev rau kev ua tau zoo lub suab reproduction.

 

Terminals:Muab tso rau hauv qab ntawm tus neeg hais lus, terminals pab txhawb kev sib txuas rau lub amplifier lossis receiver. Cov khoom sib txuas no, uas tuaj yeem suav nrog cov ntawv khi, lub caij nplooj ntoos hlav clips, lossis lwm hom, feem ntau haum rau cov hlau liab qab, cov khoom sib txuas, lossis cov txiv tsawb ntsaws.

 

Multimedia Speaker Driver Materials

Cov khoom siv sib txawv yog ua haujlwm hauv kev tsim cov neeg hais lus tsav tsheb, txhua tus ua rau muaj txiaj ntsig zoo rau tus neeg hais lus lub suab zoo. Cov hauv qab no yog ib qho ntawm cov khoom siv tshaj plaws uas siv rau cov neeg hais lus tsav tsheb:

Ntawv:Kev ua haujlwm dav dav rau lub cones ntawm nruab nrab-ntau tsav tsheb thiab woofers, ntawv boasts lub teeb yuag kev tsim kho, nqi-zoo, thiab muaj peev xwm tsim ib lub suab sov, ntuj tsim. Txawm li cas los xij, daim ntawv cones tuaj yeem pom qhov cuam tshuam rau kev cuam tshuam thiab degradation yog tias raug dej noo dhau sijhawm.

Polypropylene:Qhov no thermoplastic polymer pom muaj ntau daim ntawv thov nyob rau hauv nruab nrab-ntau thiab woofer tsav cones. Pom zoo rau nws lub teeb yuag, durability, thiab zoo heev damping zog, polypropylene pab txhawb kom sib npaug suab nrov nrog qhuas midrange thiab bass teb.

Kevlar:Paub txog nws lub zog thiab kev ua haujlwm siab, Kevlar ua haujlwm zoo li cov khoom siv hluavtaws zoo tagnrho rau nruab nrab-ntau thiab woofer tsav cones. Muaj peev xwm xa tau nruj, cuam tshuam cov ntses bass thaj tsam thiab qhov nruab nrab du, Kevlar txhim kho lub suab tag nrho.

Aluminium:Renowned rau nws lub teeb yuag tsis tau nruj zog, aluminium yog nquag ua hauj lwm nyob rau hauv nruab nrab-ntau thiab woofer tsav cones. Nrog txhuas, cov neeg hais lus tuaj yeem ua tiav huv, cov ncauj lus kom ntxaws suab tsim tawm los ntawm cov lus teb muaj zog nruab nrab thiab cov ntses bass thaj tsam.

Titanium:Ua haujlwm rau tweeter tsav domes, titanium yog lub teeb yuag, ruaj khov hlau uas ua tau zoo hauv kev tsim cov suab nrov, cov ncauj lus kom ntxaws nrog cov lus teb tshwj xeeb siab.

Silk (Silk Dome):Raws li cov khoom siv ntuj tsim siv nyob rau hauv tweeter tsav domes, txhob lo lo ntxhuav imparts ib tug du, sov suab zoo nrog rau cov lus teb zoo heev.

Beryllium:Pom muaj nyob rau hauv high-end tweeter tsav tsheb domes, beryllium yog khoom plig rau nws lub teeb yuag, nruj muaj pes tsawg leeg, ua kom tsim tau cov ncauj lus kom ntxaws, pob tshab suab nrog unparalleled high-frequency teb.

 

Daim ntawv thov

Ntse hais lus

Smart home application

Tsheb audio system

Mini projector

Advertising players

Digital Photo Frame

Kev qhia Tablet

 

Ntu II. Dimension

 

 

XDEC-40Y-5

 

Ntu III. Technical parameters

 

TSIS MUAJ.

Yam khoom

Specification

Qhov xwm txheej

1

Qhov ntev

Φ 34.3 * 8.8 hli

 

2

Nomial impedance

8 ± 20% OHM

DCR 8.2 ± 15% Ω

3

Input zog

Qhov ntsuas: 1W / Max: 1.5W

Ntawm 2.83V / 3.46V

4

Resonance zaus

1700 ± 20% Hz

Ntawm 0.89V

5

S.P.L.

94 ± 3 dB ({2}}.1W / 0.1M)

Ntawm F0-20K Hz (Average)

6

Frepuency Range

F0~7KHZ

Tso zis SPL -10dB

7

Distortion

5% Max

Ntawm 3.0 KHz 0.1W/0.1M

8

Buzze & Rattle

Tsis yog audible sine yoj ntawm 2.83V / F0 ~ 5KHz.

 

9

Polarity

Diaphragm yuav txav mus tom ntej.

 

10

Load test

Yuav tsum yog ib txwm ua tom qab kuaj: dawb suab nrov 48 teev.

 

11

High TEMP xeem

Tom qab tau nyob hauv chav kuaj rau 48 teev ntawm qhov xwm txheej ntawm +60 degree 20 ~ 25%RH thiab khaws 2 teev.

 

12

Txias TEMP test

Tom qab tau nyob hauv chav kuaj rau 48 teev ntawm qhov xwm txheej ntawm −25 degree ± 3 degree thiab khaws 2 teev.

 

13

Kev ntsuas av noo

Tom qab tau nyob rau hauv chav sim rau 48 teev ntawm qhov xwm txheej ntawm +40 degree 90 ~ 95%RH thiab khaws 4 teev.

 

14

Tso pov tseg

Kev hais lus yuav tsum muab 2 zaug, nqe 8 yuav tsum txaus siab.

 

15

Weld

terminal weld: 350 degree / Tsawg dua los yog sib npaug rau 2 ~ 3sec * 2 ntsis.

 

16

Khaws cia temp

Tshem tawm 25 degree rau +60 degree

 

 

Tag nrho cov kev ntsuas saum toj no tuaj yeem hloov kho lossis kho raws li cov neeg siv khoom xav tau.

 

Tshooj IV. Peb lub tuam txhab

 

Tsim nyob rau hauv 2009 raws li ib tug domestic paub zoo electro-acoustic enterprise, Shenzhen Xuanda Electronics Co., Ltd (XDEC) tau tshwj xeeb nyob rau hauv R & D, tsim thiab ua lag luam ntawm ntau yam hais lus, receivers, microphones thiab lwm yam electro-acoustic khoom uas yog lug siv. nyob rau hauv lub mloog pob ntseg, xov tooj ntawm tes, walkie-talkies, point-and-click cwjmem, kawm tshuab, Cordless xov tooj, laptops, portable DVDs, TV, navigation pab kiag li lawm, lub tsev kev ruaj ntseg, tsheb audio-visual, mini-suab thiab lwm yam khoom siv hluav taws xob raws li zoo li cov khoom siv sib txuas lus thiab lwm yam.

MG4553121

 

2015, ua tiav dhau ISO9001: 2008 kev tswj hwm qhov zoo

 

2017, yeej Shenzhen high-tech Enterprise Certificate thiab dhau Rhine TUV ntawv pov thawj

 

2018, dhau ISO9001: 2015 kev tswj hwm qhov zoo thiab ISO14001: 2015 Environmental Management System Certification

 

2023, tau txais IATF16949 automotive kev lag luam zoo system ntawv pov thawj

 

Nyob rau hauv Shenzhen thiab nyob sib ze ntawm Lung Tai Highway, Nanguang Highway, Guangmingcheng Chaw nres tsheb, uas ua rau nws ib txwm muaj kev thauj mus los yooj yim thiab ib puag ncig zoo nkauj. XDEC muaj ntau dua 200 tus neeg ua haujlwm thiab suav tias yog tus khub uas muaj kev ntseeg siab rau ntau tus neeg siv khoom hauv tsev thiab txawv teb chaws vim nws muaj peev xwm R & D muaj zog, qib siab zoo thiab kev pabcuam zoo heev. Lub tuam txhab yeej ib txwm coj kev tsim kho tshiab raws li lub zog tsav tsheb ntawm lub tuam txhab kev txhim kho kom ruaj khov, los ntawm cov khoom lag luam txhim kho mus rau cov khoom sib dhos, muab cov neeg siv khoom nrog ntau yam khoom tsim thiab kev pabcuam engineering, kom ntseeg tau cov khoom zoo thiab lub suab zoo.

21

 

XDEC tau ua raws li "kev ncaj ncees, kev ua tau zoo, kev tsim kho tshiab, kev pabcuam" kev lag luam lub tswv yim, nruj me ntsis tswj txhua tus txheej txheem

kev tsim khoom, ua tib zoo mloog rau cov cuab yeej tsim khoom, zoo thiab R & D peev, siv zog qhia cov khoom siv ntau lawm thiab cov khoom siv ywj pheej R & D kom tau raws li cov neeg siv khoom xav tau, ua raws li kev ywj pheej innovation, Excellence, cog lus rau qhov tob R & D ntau zoo meej electro-acoustic cov khoom. Txaus siab koom tes nrog cov phooj ywg los ntawm txhua qhov chaw ntawm lub neej, sib koom tes, tsim kom muaj kev ci ntsa iab.

MG45441
Anechoic Chamber
Ntu V. Ib txhia ntawm peb cov neeg koom tes

1709013617954

Ntu VI.FAQ

 

 

product-1-1

Q1. MOQ yog dab tsi?

XDEC: 3000pcs rau ib tus qauv.

Q2.Koj puas txhawb OEM thiab ODM cov kev pabcuam?

XDEC: Yog lawm, peb tuaj yeem hloov kho cov khoom raws li cov duab kos. Ntau yam yuav tsum tau txiav txim siab thiab sib tham ua ntej ib yam khoom los rau hauv ntau lawm. Peb pab koj 'Print Koj Lub Tswv Yim'

Q3. Txoj kev them nyiaj yog dab tsi?

XDEC: T / T, PayPal, Western Union, Nyiaj Gram.

Q4. Cov nqe lus them nqi yog dab tsi?

XDEC: 30% tso nyiaj ua ntej thiab 70% tshuav nyiaj ua ntej xa khoom.

Q5. Kuv puas tuaj yeem tau txais qee cov qauv dawb ua ntej ntau lawm?

XDEC: Tau kawg! Peb yuav zoo siab xa koj cov qauv dawb rau koj qhov kev ntsuam xyuas zoo. Koj tsuas yog yuav tsum tau them tus nqi thauj khoom.

Q6. Kuv tuaj yeem tau txais cov qauv ntev npaum li cas?

XDEC: Feem ntau peb ua qauv nyob ib ncig ntawm 3-5 hnub, nws kuj nyob ntawm koj cov khoom thiab thov.

q7 ua. Dab tsi ua rau tus neeg hais lus zoo tsav tsheb?

Cov woofers zoo tshaj plaws thiab cov neeg tsav tsheb nruab nrab muaj qhov tshwj xeeb nruj, feem ntau ua los ntawm txhuas, titanium, carbon fiber, ntoo-fiber pulp, los yog cov qhaub cij ntawm ntau yam ntaub ntawv. Lub cone stiffer, qhov tsawg dua nws yuav tsim distortion - thiab lub suab meej dua.

q8 ua. Cov neeg tsav tsheb puas txhais tau tias lub suab zoo dua?

Thaum yuav khoom rau lub mloog pob ntseg, tshwj xeeb tshaj yog IEMs, ntau tus tsav tsheb tsis tas txhais tau tias lub suab zoo dua. Nws yog ib qho tseem ceeb rau kev tsom mus rau qhov zoo ntawm cov neeg tsav tsheb es tsis yog qhov ntau.

q9 ua. Cov tsav tsheb puas cuam tshuam rau lub suab zoo?

Puas yog cov tsav tsheb loj dua hauv pob ntseg lossis lub mloog pob ntseg txhais tau tias lub suab zoo dua? Tag nrho lwm yam sib npaug, cov tsav tsheb loj dua feem ntau sib npaug ntau qhov ntim thiab ntau ntses bass thaj tsam.

Q10. Vim li cas cov neeg hais lus muaj ntau tus tsav tsheb?

Tsis muaj ib tus neeg tsav tsheb zoo tsim nyog los tswj txhua lub suab ntawm 20 Hz txog 20, 000 Hz; Ntau tus tsav tsheb feem ntau yog siv los ua kom muaj peev xwm nthuav dav tag nrho. Ib tus neeg hais lus uas tswj hwm qhov ntau zaus yog hu ua tus hais lus puv.

Q11. Dab tsi ua rau tus hais lus muaj suab zoo?

Qhov yooj yim tshaj plaws thiab lub hom phiaj tshaj plaws los mloog yog qhov tseeb. Ib txoj hauv kev los txiav txim siab seb tus neeg hais lus puas muaj qhov meej meej yog ua suab paj nruag uas koj paub zoo, ib zaj nkauj lossis album uas koj paub txhua daim ntawv, ntaus thiab nthuav dav.

Q12. Kuv puas xav tau tus tsav tsheb rau kuv cov neeg hais lus?

Yog tias tsis muaj tus tsav tsheb tsim nyog tau teeb tsa, koj cov neeg hais lus yuav tsis tawm suab. Yog tias koj muaj teeb meem suab - suab paj nruag tawg, kev ua si tsis muaj suab nrov, suab tsis ua haujlwm ntawm koj cov apps - lossis yog tias koj lub khoos phis tawj Windows tsis muaj suab nrov, nws yog lub sijhawm los hloov kho koj lub suab tsav tsheb.

q13 ua. Tus tsav tsheb loj npaum li cas cuam tshuam cov neeg hais lus?

Tus neeg hais lus tsav tsheb loj npaum li cas? Yog lawm. Cov neeg tsav tsheb loj dua tsim lub suab ntau dua, muaj lub cev puv nkaus, thaum cov tsav tsheb me yuav ua kom nrawm dua thiab muab cov ntsiab lus zoo dua. Tsis tas li ntawd, tus neeg tsav tsheb loj cuam tshuam rau kev tuav lub zog, txhais tau hais tias cov neeg hais lus loj tuaj yeem tswj tau lub zog ntau dua yam tsis muaj kev puas tsuaj.

q14 ua. Tus neeg hais lus tsav tsheb loj npaum li cas?

Tus tsav tsheb loj dua, xws li 13mm, feem ntau tuaj yeem tsim cov ntses bass thaj tsam muaj zog dua thiab muaj txiaj ntsig zoo, vim nws tuaj yeem txav tau huab cua ntau dua li tus tsav tsheb me me, xws li 10mm. Qhov no tuaj yeem ua rau lub suab paj nruag puv puv thiab muaj txiaj ntsig ntau dua, tshwj xeeb tshaj yog rau cov hom xws li hip-hop thiab EDM uas vam khom ntau ntawm cov ntses bass thaj tsam.

q15 ua. Cov neeg tsav tsheb ua haujlwm li cas hauv cov neeg hais lus?

Tus neeg tsav tsheb yog lub tshuab ua haujlwm ntawm lub suab nrov lossis subwoofer, tseem hu ua transducer. Tus neeg tsav tsheb lub luag haujlwm yog coj lub zog hluav taws xob ntawm lub teeb liab lub suab thiab hloov mus rau cov tshuab hluav taws xob los ntawm kev txav huab cua los tsim lub suab.

q16 ua. Puas yog ib tus neeg tsav tsheb hais lus zoo?

Ib tus neeg tsav tsheb hais lus yog qhov tsim nyog tshaj plaws rau ntau hom kev sib raug zoo thiab ntawm cov ntim nruab nrab. Qhov no suav nrog lub suab solo, pab pawg me me jazz thiab xyoo pua 18th classical thiab chamber music. Rau cov hom no, ib tus neeg tsav tsheb hais lus yog qhov zoo heev. Koj yuav hnov ​​tsis muaj dab tsi zoo dua.

q17 ua. Tus neeg hais lus tsav tsheb zoo li cas?

Tus neeg tsav tsheb muaj ob qhov tseem ceeb, cov hlau nplaum ruaj khov ntawm lub hauv paus thiab "lub suab coil" qhov txhab nyob ib ncig ntawm lub raj uas nyob ib ncig ntawm cov tub ntxhais sib nqus no. Lub rear ntawm lub raj yog tsau thiab pem hauv ntej yog txuas nrog ib daim ntawv los yog yas lub khob hliav qab uas txuas rau sab nrauv ntawm tus hais lus.

q18 ua. Vim li cas cov neeg hais lus tsav tsheb puag ncig?

Qhov laj thawj tseem ceeb yog tias lub suab nrov muaj lub cev txav tau ntau ntawm huab cua thiab qhov ntawd txhais tau hais tias lub diaphragm yuav tsum txav mus rau qhov ntev. Qhov 'ntev pov' diaphragm txav no yuav tsum muaj qhov hloov pauv tau zoo ib puag ncig, thiab ua tiav qhov uas tsis yog lub voj voog yog qhov tsim mob hnyav.

 

Cim npe nrov: 22 * 23mm 2watt multimedia hais lus, Tuam Tshoj 22 * ​​23mm 2watt multimedia hais lus manufacturers, hoobkas

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