Price is not negotiable. The Omron Sonic Style Electric Toothbrush Mediclean HT-B317 is a rechargeable electric toothbrush that removes plaque with high-speed sonic vibrations of 25,500 times per minute. It features "three-dimensional vibration," which combines vertical and horizontal vibrations to effectively remove plaque not only from the surface of the teeth but also from periodontal pockets and gaps between teeth. Main Features: High-speed sonic vibration: The high-speed sonic vibration of up to 25,500 times per minute removes plaque more efficiently than manual brushing, resulting in a smooth finish. Vertical and horizontal vibration: Three-dimensional vibration is adopted to approach plaque in all directions, including the surface of the teeth, periodontal pockets, and interdental spaces. Lightweight and compact: The main body, including the brush, weighs approximately 46g, making it lightweight and compact, which is easy to handle and brush with. Clean mode: A function that briefly pauses every 30 seconds to indicate the passage of time. Accessories: Includes one plaque removal brush (SB-172), a brush stand, a charger, and an instruction manual. Product Specifications: According to the Omron Healthcare Store and Denki-chi Web, the main specifications of the Omron Sonic Style Electric Toothbrush Rechargeable HT-B317-W (White) are as follows: Power supply: Rechargeable Power: AC100-110V 50/60Hz Charging time: Approximately 10 hours (at room temperature of 23°C) Usable time: Approximately 40 minutes (at room temperature of 23°C after fully charged with a 100g load) Weight: Main body: Approximately 46g (including brush) Charger: Approximately 115g Dimensions: Main body: Approximately 195mm (total length including brush) x approximately 18.8mm (width) x approximately 18.8mm (depth) Color: White Replacement brush Replacement brushes for HT-B317 can be purchased on the Omron official website, etc. Plaque removal brush SB-172: "Triple Clear Brush" that comes with HT-B317, which scrapes out plaque from periodontal pockets. User Reviews: According to reviews on Kakaku.com and LOHACO, the HT-B317 is evaluated in the following ways: Lightness and size: The lightweight and compact design is well-received for its ease of use. Regular price: 5478 yen I received this as a gift, but I am not using it, so I will put it up for sale. Thank you for viewing.