7AM2M Electric Toothbrush Replacement Brush Head Set of 4 Plaque Removal Only 7am2m Electric Toothbrush Can Be Used Black AM100/AM105C/AM110

7am2m electric toothbrush replacement brush, 4 brush heads, exclusively for 7am2m electric toothbrush. When the color of the brush bristles becomes weak, it's time to change the brush head. We generally recommend replacing it every 3 months. Material: Dupont nylon bristles are made of Dupont nylon. Material: DuPont Nylon Material: DuPont Nylon Perfectly fits the tooth shape and removes plaque without damaging the teeth Material: DuPont nylon Perfectly fits the tooth shape and removes plaque without damaging the teeth 💡After receiving the item: ❤️Please fully charge the electric toothbrush. ❤️Try installing a replacement brush head. The first thing to check is whether the direction in which the toothbrush is inserted (front and back) is correct (does it match the shape of the metal part of the toothbrush)? Next, remove the toothbrush and check to see if the plastic inside has been scraped and narrowed the cavity. If it is, replace it with another one. There is a gap of about 1mm between the main body and the correct answer. 💌If you encounter any of the above problems, please contact us in time. Don't forget our promise of 1 year warranty.