Electric toothbrush that achieves effective brushing with high-speed sonic vibrations of 18,000 times/minute. - Model Name: HT-B905-W - Vibration Frequency: 18,000 times/minute - Power Source: Approximately 2.5 hours charging time - Color: White - Brand: OMRON Thank you for viewing. ※ We sincerely apologize (_._.)_ Due to the year-end and New Year's holiday shipping situation, delivery may not be possible from December 27th to January 5th. If you are okay with delivery starting January 6th, we would appreciate your consideration! As shown in the third photo, there is a dent in the corner of the box, which is due to home storage. The contents are unopened and unused, so we are unable to confirm power-on and operation. In such cases, refunds, returns, and exchanges for new products are not possible. We appreciate your understanding and acceptance before purchasing. It's very light and compact, making it convenient to carry around♪