... toothbrush 1.sonic toothbrush with 31000 vibration per min 2.With uv sanitizer 3.3 modes High demand products, electric toothbrush Model No.: RST2031Advanced sonic ... in reducing plaque than a manual or an oscillating toothbrush, helping to keep your teeth stronger and healthier, ... Ni-MH rechargeable battery inside. 6. Replacement brush heads-RST2090 -Conforms to contour of teeth for effective, deep ...