Features: 1.HIGH-FREQUENCY VIBRATION: This plaque remover for teeth can effectively remove dental plaque, tartar and teeth stains.With high frequency vibration technology to effectively reach into those hard spots and corner. 2.SAFEPROTECT YOUR GUMS:Electric teeth cleaning kit only works on teeth or hard objects,stop vibrate when touching gums and soft skins, which not only be helpful to avoid toothache and gum illness,but also product your gums. 3. MODES REPLACEMENT HEADS:Our tartar remover has working modes for different sensitivity of gums,meet your different needs.And the dental calculus remover with replacement heads ,pointed head suit for clean small stains in the gums,flat head suit for clean large tartar in the teeth surface. 4.USB CHARGINGLED LIGHT: This tartar scraper cleaner powered by USB,you can charge with power bank,PC,phone charge,makes the tartar cleaner convenient to recharge anytime.LED light and dental mouth mirror ensures you safety while cleaning teeth,and help you find dirt in your teeth more easily and remove them.