Spec:

Bluetooth version :5.0

IC: Juli chip

Earphone capacity :40mah

Case capacity :500mah

Working hours :4-5 hours

Cyclic charging :4-5 times

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

Material:   ABS

Color:  black ,white ,green ,blue,pink color

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

Warranty :12 months