Spec:

Bluetooth version :5.0

IC: Airoha chip

Earphone capacity :50mah

Case capacity :1800mah

Working hours :4-5 hours

Cyclic charging :14-16times

Function: Volume+/-, Song next & pre, Phone answer & hang up

Material:  Metal housing

Color:  slivery.red or custom color

Support OEM customized services, such as logo, specifications, colors, pack etc

Warranty :12 months