Wireless sports running headphones Color:Black 2pcs B7 Bluetooth Binaural Wireless Earphone:

B7 Bluetooth Binaural Wireless Earphone: Unmatched Audio Quality and Comfort

Wireless Bluetooth In-Ear Sports Active Noise Cancellation Headphones - Perfect for an Active Lifestyle

Colour: Picture color

or working in the office

upgraded cinema level sound quality double mic HD call intelligent noise reduction

Wireless sports running headphones Color:Black 2pcs B7 Bluetooth Binaural Wireless Earphone:Bluetooth wireless connection Bluetooth HFP A2DP HSP AVRCP Communication distance 10 meters ("open environment") Two headphones for four hours The standby time of helmet is about 150 hours. 40mAh battery capacity of single ear Charge box battery capacity 300mAh The loading time of helmet is about 1. 5 hours. The loading time of the loading box is about 2 hours. Load box size 62 40 27. 2mm Helmet size 26. 65 16. 4 21. 6mm