SG-508 Sonic Toothbrush
1.Up to 40000 strokes per minute.
2.3 brushing modes offer varying oral care needs.
3.2 minute auto-timer ensures dentist recommended brushing time.
4.30 seconds interval to make sure you thoroughly brush all four quadrants of your mouth.
5.LED charging indicator with power shortage reminder and power-off protection.
6.Supercharged lithium battery ,up to 3 weeks of brushing on single charge(twice of 2mins a day)