SG-959 Battery Sonic Toothbrush
1.40000 strokes per minute.
2.3 brushing modes(Super,Normal,Massage)offer varying oral care needs.
3.2 minute auto-timer ensures dentist recommended brushing time.
4.30seconds interval to make sure you thoroughly brush all four quadrants of your mouth.
5.Replaceable toothbrush head and battery
6.2 AAA batteries can last for 90 days (twice of 2 mins a day).