Wireless headset hanging neck style $ 6.75 8.Product Specification 1- Charging voltage: MICRO USB 5V 2-Working current:15-20mA 3- Working range:1 OM 4-Output power: 2x1 5mW 5-Frequency range:2401-2480GHz 6- Distortion factor: 1%. 7- Frequency response: 20Hz-20KHz 8-Working Time:Music state 8H/ Talking state 9H 9-SNR: S/N95 10- Charging Time: .1.5h 11- name:BT-890 12-Speaker:16020mWx2 13-Battery:3.7 V/170MAH (Polymer rechargeable battery) 16-Standby time> 300H 17-working environment-10~60
