Real Ultrasonic Technology 】 - Most of the plaque remover on the market are mechanical vibration (you can feel the vibration of the handle). ANTAUGE electric teeth cleaner adopts the real ultrasonic technology, the vibration frequency can reach 40KHZ. Effortless crush stubborn calculus, hard tartar, and coffee or smoke stains. (The handle will not vibrate and also without working sound. Use it on your teeth and you will feel it working.) 
【With Camera & Built-in WIFI】- Revolutionary 1080P high definition camera and built-in WIFI technology enables you to check your teeth condition on your phone while using the device. It also comes with 800mAh built-in lithium battery, 2 Hours fast charge enough for about 12 Times Use(5 minutes/time). 
【Easy to Use 】- Scan the QR code on manual to download and install APP. Power on the tooth cleaner. Open the APP, connect the WIFI named 'T03-PVx-xxxx' to connect. After connecting, click the Start button on APP to use. 
【3 Cleaning Modes】- 3 cleaning modes with different strengths to meet the needs of different teeth cleaning.Mildly mode cares for sensitive teeth, Normal mode removes hidden dirt, Strong mode removes stubborn stains. 
【100% Safe to Protect The Gums】- ANTAUGE teeth cleaner with high-efficiency ultrasonic transducers can intelligently identify the gums. Ultrasound does not work when it touch with gums or other soft tissues. Ultrasonic frequencies will only be generated on hard objects.For example, it will start to work after touch with your teeth, which can effectively protect your oral safety and avoid injury gums. It is truly 100% safe to remove teeth stains.So adults and children are suitable for use.