Main Features:
● Xiaomi Electric Toothbrush high cleaning frequency: max 31,000 times/min
● Help to improve scientific brushing habit: intelligently shake to remind you to change brushing area, and automatically turn off while reaching 2 minutes ( a suggested the best brushing period )
● Round brushing head arc brushing surface: avoid hurt, deep cleaning includes dead corner
● IPX7 full body waterproof level for direct washing
● About 25 days duration
● 3 vibration modes: 31,000 times/min, 27,000 times/min, alternate vibration every minute
● RPM: 31,000 times/min or 27,000 times/min

Product weight: 50g
Product size (L x W x H): 3.70 x 9.90 x 25.40 cm / 1.46 x 3.9 x 10 inches
Package Contents: 

1 x Xiaomi Electric Toothbrush

1 x Toothbrush Base