We've listened to the opinions and requests of users of the previous "Happy Toothbrush" model and achieved the ""highest specs in the series"". 【Set Contents】 ・Electric toothbrush body ... 1 ・Replacement toothbrush heads (standard brush) ... 2 ・Wireless charging stand ... 1 - Product Features - ・Sonic/High Vibration: Efficiently removes dirt with high vibration ・High Waterproof Function: Equipped with IPX7 equivalent waterproof function, can be used in the bath ・Automatic Memory Mode: Starts with the vibration mode used last ・5 Modes: Abundant 5 modes, plus 3-stage vibration adjustment for each mode to match your preference ・Wireless Charging: Simply place it on the stand to charge, can be used for about 180 days on a full charge - Comparison with the Old Model - ・Charging Method: USB cable → Wireless charging ・Vibration Frequency: 32,000 times/min → 39,720 times/min ・Vibration Modes: 6 patterns → 15 patterns ・Waterproof Performance: IPX6 → IPX7 ・Usage Time: Approximately 60-80 days → Approximately 180 days ・Battery Capacity: 600mAh → 1200mAh