time) when it's full of power. [Gentle & Effective] You can get food debris from between your teeth and it wouldn't leave your gums bleeding, keeping your mouth hygienic and your breath fresh. [IPX7 Waterproof] Waterproof design, with a silicone plug for charging interface, which enables you to use it when you are taking a shower. [300ML Water Tank] Large capacity, it can provide you with water continuously so that you don't need to add water to the tank during using. [Gravity Ball] A ball is designed to make full use of the water in the tank, giving you a good using experience. [Portable] Comes with 4 different nozzles, perfect for daily and travel, suitable for both home and office. [Leakproof & Detachable] It's leak-proof and detachable, safe to use and easy to clean it up after use. [360° Swivel Nozzle] Rotate the nozzle 360° to give your teeth a thorough and deep cleaning. [3 Working Modes] Normal, soft, pulse for selection, you can choose the mode you want. Specifications: Type: Oral Care Tool Color: Black Material: ABS / PP Water Tank: 300ml       Power: 5W Adapter: DC 5V, 1A Pulse Rate: 1400-1800 Cleaning Modes: 3 Modes (Normal, Soft, Pulse) Pressure Range: 30-110PSI Water Flow Rate: ≥ 200ml / min Noise Standard: ＜ 55db Charging Time: 4 Hours    Li-on Battery: 3.7V 1400mAh Using Time: about 15 Days (Twice / Day) Product Size: 305 * 85 * 72mm Product Weight: 259g Package Size: Approx. 235 * 85 * 85mm Package Weight: Approx. 356g Notes: Please read the user manual carefully before using. Package List: 1 * Main Unit 4 * Nozzles (1 * Black ' Blue, 1 * Blue ' White, 2 * White ' Red) 1 * USB Charging Cable 1 * User Manual