• Made of medical grade stainless steel, smooth and wear-resistant
• Intelligent sound waves deliver high-frequency vibrations to effectively remove calculus
• Double heads design, cleaning head is used to remove calculus tartar problems between teeth and on the inner surface of teeth, and cleaning brush is mainly used to clean food residues between teeth and sockets
• It has 3 working modes for different sensitivity of gums, meeting your different needs
• Powered by a USB cable, support long runtime on a single charge, you can charge it with a power bank, PC or wall charger, which makes it convenient to recharge anytime
• It is convenient for you to clean your teeth, with no anesthesia, no gum damage, 360-degree cleaning of the mouth, daily essential tools

Specification:

• Material: PC+304 stainless steel
• Product size: 194*25*20mm
• Working voltage: 3.7V
• Input voltage: DC 5V/1A
• Battery capacity: 200mAh
• First gear speed: 8321 times/min
• Second gear speed: 11195 times/min                                  
• Third gear speed: 12423 times/min
• BPA: not included