X57 Mini Sleep Bluetooth Super Large Casque de Sports d’Endurance

Product information:
Color: X57 (white),X57 (black),X57 (skin color),YX13 clear (blue) warehouse
Transmission range: 10 meters
Chip type: Zhongke Lanxun
Battery life: 0-4 hours
Function: ultra-long life battery, call function, support music, digital display screen, e-sports low latency
Material: Plastic
Usage: earplug
Style: Creative Design