Oral-B 4000 belongs to the high-end electric toothbrush product of Oral-B. It can vibrate around 40000 times/minute and rotate around 880000 times/minute for 3D vibration rotation to clean dental plaque. There are four modes to choose from, and the service time is 10 days.

The current quotation of Oral-B 4000 is 49.99 dollars, and the actual payment is 42 after using the coupon. 99 dollars, about 260 yuan, and the price is about 370 yuan. At present, it seems that some products of Oule B have been changed to 110V voltage, so you should pay attention to whether you need a transformer when you get it.