UINB-2637 wireless headphones

Bluetooth Version: .4.1 Talking

Time: .Up to 28 Hours Music

Time: 180 Hours Standby

Time: Hours Charging

Type: USB Charging

Power: .0C5V 250mAh Transmission

Distance: ………..32ft. (10m) Output

Power: . .3mW x 2 Sensitivity: …102dB at 1KHz Impedance: —16 Ohm Frequency Range: .20Hz – 20KHz Support.

Profiles: HFP, A2DP, AVRCP Mic Sensitivity: -42dB Mic Impedance: Ohm