Specifications:
Transmission range:10 m
Function:Support music
Bluetooth protocol:4.0
Channel:Stereo
1- Charging voltage: MICRO USB 5V
2-Working current: 10-20mA
3- Bluetooth Working range: 10M
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/N95
10- Charging Time: 2h
11-Bluetooth name: HBS-900
12-Speaker: 1620mW 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

Package Includes:
1x Bluetooth headphone HBS-900
1x Micro USB Cable
1x Instructions
4x silicon eraplug (S*2PCS & L*2PCS)