Can be charged with USB cable to cup

Function:
2 Minutes timer+3 MODES

Descriptions:
Source of Power: Rechargeable Lithium battery 600mAh
Power supply:~110 - ~220V or DC5V
Motor Power:2W
Feature: 2 minutes timer + 3 speed 
Vibrate speed: 20,000~25, 000 strokes/minute
Product size:22.4cm(H)X2.4cm(D)
Bristle: PBT
Brush head: PP
Handle(white): ABS
Grey button: TPR
Certifications:CE-EMC,ROHS,FDA