Built-in high capacity lithium battery, long standby time
Wristwatch design, portable and fashionable.
Designed with on-off switch, power saving.
Mini size design, easy to carry.
Charge interface: mini USB
Standby time: 4 hours
Charging time: 1.5-2 hours
Battery: lithium battery (battery included)
Audio play format:MP3
1Xwristband MP3 player