Specifications:  
Voltage：AC 100V~240V
Rated Power: 5W
Output: 5V, 1A
Frequency: 50/60HZ
Battery capacity: 1000mAh
Timer: 10 minutes / cycle
Li ion battery: 3.7V
Charging time: 2 hours
Operation time (after full charge): 1 -1.5 hours
Material: ABS+Silicon
Product size: 140*110*110mm

DESCRIPTIONS OF THE GOODS:
*Built-in Li-lion Battery and waterproof
*Two control button
*10 minutes massager time
*Automatically protect function
*Two speed
*Two switches of scartching
*USB charging line
*3D head massage
Certificate: CE, ROHS