Bluetooth version: 5.0
Headphone material: ABS plastic
Headphone power: 55 mAh
Charging compartment: 450 mAh
Listening time: about 3 hours
Product size: charging warehouse 7.5*4.3*2.8cm
Packing size 13.5*8.5*3.5cm

Specifications:
1. Noise cancelling technique helps against loud and annoying noise.
2. The controller was designed to control volume, select songs and take calls.
3. Even wear for a long time also wont fatigue; they are less likely to fall out, and enjoy your music.
4.Perfect stereo headphones with high quality drivers enables you experience natural clear and super enhanced bass sound.

Package Included:
1 * Earphone
1 * Instruction Manual
1 * USB charging cable

The product has a battery protection function, when the headset power is 100%. It will go out automatically.
(This is not a malfunction, but a normal battery protection function)

how to use:

Turn on the bluetooth of the mobile phone, the headset will be automatically paired when out of the warehouse, the headset double-tap to answer the call, to answer the call, tap to hang up, tap twice to make a call, long press for two seconds to next song, long press for three seconds to swap siri.