Feature: 1. Charged in 90 minutes and can stand by for more than one month, which is energy-saving and environmentally friendly. 2. Brush your teeth in all directions. It only takes 60 seconds to clean your teeth. 3. Using soft food-grade silicone material, every brushing can bring a quick and comfortable experience to the oral cavity. 4. U-shaped toothbrush design, 360-degree contact with your gums and teeth. 5. Effectively protect the gums, promote periodontal blood circulation, and reduce the occurrence of periodontal diseases. 6. All-round waterproof seal design, IPX7 waterproof, convenient, durable and clean. Specification: Condition:100% Brand New Item Type: U‑Shaped Toothbrush.Rated Voltage: 3.7V Rated Power: <5W Charging Time: <90 minutes Size: Approx. 110 x 70 x 30mm / 4.3 x 2.7 x 1.2in Built-in Lithium Battery: 400mAhInstruction: Step 1: Squeeze the mousse toothpaste into the sockets on both sides, you can also use ordinary toothpaste; Step 2: Put it in after moistening the mouth, gently bite the braces on the upper and lower teeth, and then start the switch; Step 3: After cleaning, rinse the braces and the body, and dry it. Package List: 1 x U‑Shaped Toothbrush1 x Mousse Toothpaste 1 x Instruction1 x USB Cable Note: When the product has not been used for a long time, charge and discharge once every three months.