Power source:
DC5V 2W, USB charging
Shake frequency:
31000-38000 strokes/min
Waterproof
IPX8 Waterproof sonic electric toothbrush
Working mode
20 modes (5 types * 4 degree)
Bristle
0.15mmDupont nylon,double color,over 90% end-rounding
Time
2 minute timer with 30 seconds interval time
Battery type
Lithium battery