The Vibration frequency of this sonic electric toothbrush ranges from a minimum of 31,000 Hz/min ±10% to a maximum of 37,500 Hz/min ±10%. For optimal use, it is recommended to take a short 0.5-second break every 30 seconds during continuous operation, and to switch off the device after 1 cycle of 2 minutes of continuous use.

The device features a convenient 5-speed frequency conversion mode: 1. Cleaning Mode: 31,000-37,000 Hz high-frequency oscillation, suitable for general use. 2. Whitening Mode: 31,000-35,000 Hz fast high-frequency oscillation, effectively removes plaque and whitens teeth. 3. Polishing Mode: 31,000 Hz high-frequency rhythm, helps remove stubborn stains and discoloration, ideal for tea, coffee, and smoke stains. 4. Gum Care Mode: 32,000-35,000 Hz, a combination of cleaning and sensitive modes. 5. Sensitive Mode: 31,000-32,000 Hz, suitable for first-time users or those with sensitive teeth and gums.

This sonic toothbrush delivers an impressive 37,000 micro-brushes per minute, providing the equivalent of over a month's worth of manual brushing in less than two minutes. Enjoy healthier teeth in just 7 days with its efficient cleaning capabilities.

The device features a one-button operation, which serves as both the power on/off and mode selection switch. You can easily cycle through the various cleaning modes by pressing the button within 3 seconds of continuous operation. If the button is pressed for more than 3 seconds, the device will switch off.

The package includes 3 replacement bamboo brush heads, made from natural bamboo and plant-based bristles. These gentle and soft bristles are designed to effectively clean your teeth without causing harm to your gums.

The sonic toothbrush body is made of waterproof plastic, allowing you to use it safely in the bath or shower. The device features an IPX8 waterproof rating, ensuring reliable performance even in wet environments.

The charging station is made of ABS, and the device has a nominal input power of 2.5W. It can be charged wirelessly, with a minimum charging current of 80 mA and a maximum of 95 mA. A single 10-hour charge can provide over 80 cycles of use (2 minutes per cycle), with a standby time of more than 3 weeks.

Overall, this Bamboo Sonic Electric Toothbrush offers a convenient and effective oral care solution, with multiple cleaning modes, a user-friendly design, and environmentally-friendly materials.

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