Features:
* Wireless on-ear headphones
* Rechargeable Li-ion battery provides up to 3 hours of play time
* Call/redial/volume control with Bluetooth enabled devices
* Driver Diameter: 40 mm
Specifications:
* Microphone: Yes
* Speaker Driver Size: 40 mm
* Frequency Response: 20-20,000 Hz
* Speaker Impedance: 32 ohms
* Speaker Sensitivity: 110 ± 3 dB
* Wireless Source: Bluetooth version 3.0
* Battery, type: Rechargeable li-ion
* Battery Life* (max): Up to 3 hours
* Power Input: DC 5 V
* Power Connector: Micro USB