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