Gembird BHP-WAW

Interface: Bluetooth v.4.2
RF transmit power: 9 dBm
RF receive sensitivity: -85 dBm
Supported profiles: HSP, HFP, A2DP and AVRCP
Rechargeable 250 mAh Li-ion battery
Recharging time: up to 2 hrs
Operation distance: up to 10 m in the open air
Speakers frequency response: 20 Hz - 20000 Hz
Signal to noise ratio: > 83 dB
Impedance: 32 Ohm, 105 dB sensitivity
Microphone: 6 mm, -42 dB sensitivity
Operating power: 3.7 VDC, up to 40 mA
Dimensions: 175 x 177 x 78 mm (L x W x D)
USB charging cable length: 0.5 m
Net weight: 150 g