Bluetooth Headphones GJT E10 Wireless Bluetooth V4.1 Headsets Sweatproof Headphones Noise Cancelling Earphones Earbuds with Microphone&Stereo for Sports (Blue)

Specifications: Chip: CSR8640 Bluetooth Standard:V4.1 Operating Range: 8-10m in open space Bluetooth Profiles:HFP,HSP,A2DP,AVRCP Built-in Battery:3.7V 80mAh Rechchargeable lithium battery Charging time: about 1-1.5 hours Talking time: 5 hours...