Specifications:  

Voltage：AC 100V~240V

Rated Power: 5W

Output: 5V, 1A  

Frequency: 50/60HZ                          

Battery capacity: 1350mAh

Timer: 10 minutes / cycle

Li ion battery: 3.7V

Charging time:  4 hours 

Operation time (after full charge): 4  hours

Material: ABS+Silicon

Product size: 98*91*77mm

DESCRIPTIONS OF THE GOODS:

*Built-in Li-lion Battery and waterproof

*One control button 

*10 minutes massager time

*Automatically protect function

*Two speed

*Two switches of scartching 

*USB charging line 

*3D head massage 

Certificate: CE, ROHS