These brush heads are compatible with Bitvae R1/R2 rotating electric toothbrush, and they're also compatible with Oral-B Braun electric toothbrush series: Pro 500/1000/1500/3000/5000/7000/7500/8000. High quality material: Made of soft and durable nylon, which is gentle on your gums and teeth, providing a comfortable and effective cleaning experience. 3D cleaning: The round toothbrush head has 3D cleaning bristles, which can effectively clean the gaps between teeth, remove plaque and food residue, and promote gum health. Multiple uses: The replacement toothbrush heads are suitable for various occasions, such as daily toothbrushing, travel, and replacement of old toothbrush heads. Easy to install: The toothbrush heads are easy to install and remove, and they fit perfectly with the Oral-B electric toothbrush handle. These replacement toothbrush heads are compatible with all Oral-B Braun electric toothbrushes except IO series. They are designed to fit the Round Brush Heads Refill Pro 500, 1000, 1500, 3000, 5000, 7000, 7500, 8000 models. The toothbrush heads are made of soft, high-quality nylon bristles that are gentle on teeth and gums, providing a deep clean and effective brushing experience. The replacement heads are easy to install and remove, align the new toothbrush head with the handle and press it firmly until it clicks into placeand. These toothbrush heads come in a pack of ten, so you can have a fresh set of toothbrush heads for your electric toothbrush at all times. They can be used with braces. Environmentally friendly packaging.