Specifications:
Name and model: Masentek m18
Chip version: Intelligent v4.0+edr
Product size: 53 * 15 * 9mm
Product color: Black/white/gold
Product features： smart chip, chinese prompt, intelligent song cutting, high-definition sound quality, long standby time, wide compatibility and other functions

Package list: 

Headset+earplug+USB cable+manual+rotary ear hook+auxiliary earphone+environmental earplug * 1