Model:CozyBuds W22N
Bluetooth Version/chipset:V5.4/7003D4
Material:ABS+PC
Working Voltage:5V-300mA
Function:
1.ANC active noise cancelling
2.Slide the groove area to control the volume easily
3.Wireless 5.4 for smooth transmission, automatic connection upon opening the lid
4.30 hours of total battery life, no need to worry about power
5.High-fidelity pleasing sound quality, with a built-in 13mm dynamic coil