Bluetooth 4.1 Sports Headset Running Wireless Ear Hook Super Bass Stereo Headset Sport Earphone Headphone

Description
Lightweight and comfortable, a headset designed for sports enthusiasts.
Well-designed anti-drop ear hooks for a comfortable fit for you to move more easily.
Not afraid of falling off, the hanging ear design can effectively prevent the falling off during the exercise, so that you can enjoy the music as you like.
This running headphones ensures the earphones stay comfortably firm in place to guarantee fatigue free ears and tangle free comfort.
Mobile phones, computers, etc. for 3.5MM interface.

Specification:
Bluetooth version: 4.1.
Battery: 3.7V 60mAh.
Charging power: 5V/80mAh.
Sensitivity: 103db +/- 3dB.
Impedance: 32Mw.
Transmission distance: 10m barrier-free.
Frequency: 2.4GHZ.
Call time: about 4 hours.
Listening to the song time: about 5 hours.
Standby time: about 160 hours.
Size: 55 * 35 * 25mm.
Line length: about 60cm.
Color: black, red, blue, green.

Note:
There might be a bit color distortions due to different computer resolutions.
There might be size errors due to different computer resolutions.

Package include:
1 * Headphones.
3 * pair of ear caps.
1 * USB charging cable.
1 * Instruction manual (Chinese and English).