🦷Clean - High-frequency pulse to clean up the residue. 🍃Portable - Compact and holdable, impressive design and color. 🏆Golden Pin Design Award 2020 Winner 🔋Battery Life Monster - 95 Days (Calculated as once a day, once a minute） 💧IPX7 Waterproof 👍Smart Memory - The default is the mode of last time. 🛡️Automatic power-off - Automatically power off in 2 minutes to prevent overheating and dry burning. 🚰Better effects with usmile mouth wash.