1.Impressive Sound: 
The High-fidelity stereo sound benefits from the 40 mm powerful driver. And the around-ear cushion design take you lose in the music!
2.Support Wireless & Wired: 
The wireless mode: Battery update to 4-8hour music time/talking time in a single charge.
The Wired mode: you can also use it as a wired headphone with the provided audio cable.
3.Portable Adjustable Design:
The adjustable Headband is not only designed for saving your desk space but for carrying in the provided bag.
4.if you want use to watch TV in night, you can select Headphones with TV Bluetooth adaptor, then you can Watch TV not effect your family. 

Product information:
Transmission range: 15 meters
Function: battery display, call function, support music
Bluetooth protocol: 5.0
Channel: Stereo
How to use: head-mounted
Whether single or double ears: bilateral stereo
Color: white, black, blue, red, green
Life time: 20 (hours)

Package:
Wireless earphone *1