Features:
Built-in magnets: You can attach the two headphones together when not using, and wear like a necklace around your neck, a convenient way to carry around when you don't need them. Built-in 90mah battery provides about 4 hours of continuous music time, 5 hours of talking time and 200 hours of standby time with a single full charge. Bluetooth 4.1 technology provides a several-second and stable paring with your Bluetooth enabled device. With soft rubber earbuds, your ears will never feel pain easily.
Specifications:
Bluetooth chip and Bluetooth version: csr 4.1 Bluetooth protocol: A2DP AVRCP HFP HSP Battery: 3.7V 90mAh Charging power: 5V / 80mAh Sensitivity: 105db +/- 3dB Impedance: 16 Transmission distance: barrier 10m Frequency: 2.4GHZ Talk time: about 5 hours Songs time: about 4 hours Standby time: about 200 hours
Function:
Play/pause/switch music Report the call number Answer/hang up/reject/redial calls Operation voice prompt Show electric quantity for iOS system Support WeChat, car navigation