Rechargeable Sonic Electric Toothbrush High-frequency Vibration IPX7 Waterproof Power Toothbrush 2 Modes Adjustable and Smart Electric Toothbrush with 4 Detachable Soft-bristle Brush Heads

【Rechargeable and long use time】Using USB charging technology,fully charged can be used for 30 days, 【Smart customized reminders】Brush your teeth for 2 minutes at a time, 30 seconds for each area. You will be reminded when the time is up., 【2 modes and low noie】Include 2 modes(Gear 1:3600times/min,Gear 2:7200times/min), the sound during use is less than 45db, 【Suitable frequency vibration and waterproof】Motor vibrates 3600-7200 times per minute,Suitable frequency vibration effectively cleaning the mouth,waterproof level reaches IPX7, 【Removable brush head and soft bristles】The brush head can be disassembled to avoid the breeding of bacteria. One brush head can be used for 3 months.The brush head uses soft bristles, which can effectively avoid damage to teeth.