Bluetooth Wireless HD Headphones, Noise Canceling Foldable Headphones Over Ear with Mic(Black)

Notes: 1. The headset needs to be fully charge before first-time use. 2. If the headset is left unused for over two weeks, please recharge it periodically. Specification Bluetooth Version: Bluetooth 4.2 Support: A2DP,AVCTP,AVDTP,AVRCP,HFP,SPP,SMP,ATT,GATT,GAP,RFCOMM,SDP,I2CAP Profile Operation Range: 33Ft (10m) Talking Time: Up to 8h Playing Time: Up to 8h Standby Time: Up to 100h Charging Time: Up to 2h Battery capacity: 3.7V / 250mAh (rechargeable) Charging Voltage: 5V/1A Packing list: 1* Wireless Headphone 1* Audio Cable with Mic and volume control 1* USB Cable 1*User Manual