Smart Sleep Aid Device - 888

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