Intelligence Insomnia Help Device Sleeping Aid Instrument

Product information:
Power type: USB plug-in
Function: handheld remote control
Number of gears: 20
Material: ABS stainless steel
Battery capacity: 300 mA
Charging time: 3 hours: Battery life: 1-2 hours
Current: 5V1A
Battery Type: polymer lithium battery

Packing list:
Sleep Bracelet*1+Manual*1+Charging Cable*1
Product Image: