Describe:
Note:
1) First thing you need to charge the charging case with Ear bud in it for 60 minutes.
2) If only one headset is working, disconnect the Bluetooth link, delete the phone's Bluetooth call history, and reconnect.
a) Put both ear bud in your ear and click both button on the ear bud together to turn the power off, then click both buttons again to          turn on, both headsets should be working.

Specification:
Model: Y80
Bluetooth compatible version: V5.1
Transmission distance: 10m
Headphone capacity: 30mAh
Headphone compartment capacity: 300mAh
Charging time of charging box: about 1.5 hours
Headphone battery life: about 3 hours (depending on the volume level).
The number of times the earphone is charged by the charging box: about 3 times
Operation mode: key operation
Waterproof grade: IPX4
Headphone Type: In-ear
Charging voltage: 3.7V
Channel System: Stereo
Shell material: frosted sub-UV process.
Colour: Black
 
Packing Include
2*Bluetooth headset (left and right ear)
1*Charging compartment
2*Silicone ear caps
1*User Manual
1*micro data cable