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7
YRS
Shenzhen Zhongkerong Electronic Information Co., Ltd.
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Latest Products
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Callvi V-996 NFC wireless microphones Teaching system Voice Amplifier for classroom
$239.39 - $345.55
/
set
1 set
(Min. Order)
View details
CallVi V-919 USB SD FM Portable Rechargeable High power wireless voice amplifier for classroom teaching
$65.29 - $66.39
/
set
100 sets
(Min. Order)
Callvi V-800 professional high power speaker FM Radio audio voice amplifier for teachers
$29.59 - $30.39
/
piece
1000 pieces
(Min. Order)
View details
Callvi V-25 20W portable waistband echo amplifier with microphone headset
$21.53 - $24.36
/
set
100 sets
(Min. Order)
Callvi U-222 New Wireless Microphone Amplifier Mini Portable Voice Amplifier with BT
$36.36 - $38.69
/
piece
10 pieces
(Min. Order)
Callvi V-515 Portable Wireless Teaching Voice Amplifier UHF Wireless Microphone
$20.00 - $25.00
/
piece
100 pieces
(Min. Order)
Wired Voice Amplifier
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Callvi V-311 Lapel Lavalier & Headset Microphone Amplifier mini Speakers
$14.53 - $15.58
/
set
1000 sets
(Min. Order)
CallVi V-28 Wired headphone Amplifier portable mini USB speaker amplifier
$20.02 - $22.69
/
piece
50.0 pieces
(Min. Order)
Callvi V-307 portable Voice recorder mini audio sound amplifier
$8.59 - $8.89
/
set
1000 sets
(Min. Order)
UHF Wireless Voice Amplifier
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Callvi V-727 loud sound wireless amplifier and mini portable audio speaker
$24.33 - $25.63
/
piece
10 pieces
(Min. Order)
Callvi U-222 Wireless blue tooth Loud Microphone Amplifier Mini Audio Speaker Amplifier
$36.36 - $38.69
/
piece
10 pieces
(Min. Order)
Callvi U-220 Wholesale louderspeakers amplificador de audio speaker with wireless mic
$52.02 - $53.29
/
set
100 sets
(Min. Order)
CallVi V-807 portable mini audio speaker wireless microphone amplifier
$53.45 - $55.59
/
piece
100 pieces
(Min. Order)