Support Dropshipping & wholesale Feature: 1:Smart timing-use a short pause every 30 seconds. It can remind you to balance the four areas of the mouth and reach the brushing time recommended by dental experts 2:Fashion design-elegant appearance and smooth line design, so that the mood of brushing your teeth can be more beautiful 3:A total of 15days of brushing cycle can be used after only 8 hours of full charge. IPX7 is waterproof and can be easily rinsed with water after each use. 4:The bristles are made of DuPont nylon, soft, wear-resistant, and non-absorbent. The brush head perfectly fits the teeth and better removes stains to provide you with a safe and soft brushing experience 5:With 5 modes, you can have a better experience of brushing your teeth. 5 different modes are suitable for different teeth and gum conditions. It can also take care of your sensitive mouth and teeth. Specification: material: ABS Product size: 21*2.5CM Rated voltage: 5V Charging time: more than 8 hour Battery life: about 15 days, use twice a day for two minutes each time Power supply mode: built-in 450mAh lithium battery Packing list: Single model: 1*host, 4*brush head, 1*manual, 1*USB charging cable SET: 2*hostOne black and white , 8*brush head, 2*manual, 2*USB charging cable Note: Please allow 0.5-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! RemindDear customer, thank you very much for your patronage. Please confirm the consignee, receiving addre and contact phone number before placing the order so that the postman can deliver the package accurately and reduce the probability of lo. Thank you very much for all the work you have done in this shop. All the staff wish you all a happy life! ! !