XT-11 Magnetic Bluetooth Earphone V4.2 Stereo Sports Waterproof Earbuds Wireless in-ear Headset

Specifications:

(1) Bluetooth chip and Bluetooth version: Jerry 6907 chip 4.2
(2) Bluetooth protocol: A2DP AVRCP HFP HSP
(3) Battery: 3.7V 60mAh
(4) Charging power: 5V/80mAh
(5) Sensitivity: 103db +/- 3dB
(6) Impedance: 32Mw
(7) Transmission distance: 10m barrier-free
(8) Frequency: 2.4GHZ
(9) Talk time: about 4 hours
(10) Listening to song time: about 5 hours
(11) Standby time: about 160 hours

Package include :

 1x Wireless Bluetooth Earphone