Fairywill - water flosser and toothbrush combo helps you take better care of your teeth, electric toothbrush provides 40,000 Micro-Brushes Per Minute, powerful ultrasonic technology helps to clean teeth effectively, toothbrush built with 1400Amh powerful rechargeable lithium battery, 30 days of use on a single 2-hour charge. In addition, the toothbrush has 3 high-performance brushing modes, so you can choose the brushing mode that is more suitable for your teeth. The water flosser helps deep clean your teeth and gum line, 1400Amh powerful & rechargeable lithium battery lasts up to 21 days on a single 4-hour charge, has a 300ml water tank capacity, and this set is portable and travel-friendly. Fairywill Water Flosser and Electric Toothbrush Combo for Braces Bridge Care. It's the best gift for friends, birthday gift and so on.