Spec:
Bluetooth version :5.0
IC: Airoha chip
Earphone capacity :75mah
Case capacity :2200mah
Working hours :7-8 hours
Cyclic charging :24-26times
Function: Volume+/-, Song next & pre, Phone answer & hang up
Material: Metal housing
Color: black color
Support OEM customized services, such as logo, specifications, colors, pack etc
Warranty :12 months