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hum smart toothbrush should not be disposed of with household waste. When you decide to dispose of this product and/or its battery, do so in accordance with local environmental laws and guidelines. Always remove the battery before discarding. Please use a recycling system to ensure responsible and environmentally safe recycling of the device and battery. Unless permanently disposing, please do not disassemble the toothbrush handle. Dismantling the handle will void warranty.
If you have a hum battery brush, you can remove the batteries by firmly holding the bottom of the handle while rotating the top counter-clockwise. Remove the batteries and dispose of them in compliance with environmental regulations before disposing of the toothbrush.