* Bluetooth version: V5.3
* Emission range ≥ 15M
* Mobile phones stereo music player
* Music play time about 10 hours
* Phones call time about 10 hours
* Battery:3.7V/110mAh
* Speaker size: 10mm
* Micophone: 42dB±3
* Output: 25mW*2
* SNR: ≥98dB
* Colors: black
