Material
ABS, US Dupont Bristles
Charging style
Direct charging by DC 5V magnetic charger base(USB connector),
Certification
FCC/ROHS/CE/FDA
Battery
Built-in DC 3.7V 1,500 mAh Lithium Battery
Usage time
Used for 60 days as charged fully by 2-3.5 hours.
Working Mode
12 Modes, Strong(up)to Weak(down)
Timer Function
2 minutes auto-timer and 30 seconds interval