SY-BT1637
SY-BT1637
SY-BT1637
SY-BT1637
SY-BT1637
SY-BT1637
SY-BT1637
SY-BT1637
SY-BT1637
SY-BT1637
SY-BT1637
SY-BT1637
SY-BT1637
SY-BT1637
SY-BT1637
SY-BT1637
SY-BT1637
SY-BT1637
SY-BT1637
SY-BT1637
$5.5~6
FOB
MOQ:
3000
Shipping:
Ocean freight, Land freight
Sample:Free supportGet samples
Product details
FAQ
Essential details
MOQ:3000
Shipping:Ocean freight, Land freight
Product Introduction
Color: Black, White, Gray
Wireless version: BT V5.3(JL)
Supported protocols: A2DP, AVRCP, HSP, HFP
Transmission range: 10 meters
Transmission friequency: 2.4GHz
Charging voltage: DC 5V
Charging time: 1-2 hours
Talk/music time: about 45 Hours 100% 
Headset battery capacity: 400mAh
Speaker: 40mm
Speaker sensitivity: 118+-3dB
Impedance: 32Q+15%
Speaker frequency: 20H-20KHz