Product features
1 fashion exquisite, anti sweat
2 Bluetooth version 4
3 support music player
4 intelligence one with two
5 intelligent voice control
technical specifications
01 Bluetooth version: V4.0
02 chip models: ISSC chip America asiatalent
03 drive unit: 10mm
04 speaker impedance: 16 + 15%
05 sensitivity: 105dB
06 distortion: less than 0.3%
07 noise reduction technology: CVC 6 noise reduction technology
08 frequency response: 20-20kHz
09 battery indicator: lithium battery 40mAh