Feature:

1- Charging voltage: MICRO USB 5V
2-Working current: 10-20mA
3- Bluetooth Working range: 10M without barrier
4-Output power: 2x18mW
5-Frequency range: 2.401-2.480GHz
6- Distortion factor: ≤1%
7-Frequency response: 20Hz-20KHz
8-Working Time: Music state 10 H/ Talkingstate 15H
9-SNR: S/N≥95
10- Charging Time: 2h
11-Bluetooth name: LG HBS-900
12-Speaker: 16Ω20mW x 2
13-Battery: 3.7V/195MAH (Polymer rechargeable battery)
14-ANC frequency 100-1000HZ
15-ANC level 15-20dB
16-Standby time ≥500H
17-working environment -10~60℃

18 like the pictures show

Package contain

1* hbs 910 earphone headsets.

1*user mannual

1*usb charger

1*retail box.