Description
Quantity: 1pcsUsing instruction: First,remove the toothbrush motherboard . Next, take down the waterproof cap on the top.(need a little pry strength, the intensity can not be too much to avoid bad pry) Then, remove the old waterproof pads , clean the metal rod with the toothpaste . At last, install a new waterproof pads,make it in the line with the waterproof cap and cover it tightly