EBiSU e-Premium Care Electric Toothbrush. Features 3D high-speed sonic vibration for plaque removal and gum massage. Waterproof (IPX7 equivalent), allowing the main unit and brush to be washed. 【Main Features】 ・Vibration Frequency: Approximately 24,000 strokes/minute ・2 brushing modes ・Auto-timer function (alerts every 30 seconds) ・Waterproof (washable) 【Condition】 ・Unused / Unopened ・There may be minor scratches on the outer box due to storage. 【Contents】 ・Main unit ・Brush ※Please check the photos for the presence and type of batteries. Selling due to decluttering. Please purchase only if you understand that this item has been stored at home.