Teeth whitening electric toothbrush 1.Material:ABS, PC, DuPont bristle 2.Product size: ... (H)mm 3.UL,CE,FDA,RoHS RST2030A Teeth whitening electric toothbrush Specifications:1.The sonic frequency vibration is 31000 vibrations ... inside.About us Shenzhen Risun Technology Co., ltd is oral care products manufacturers specialize in Sonic toothbrush, Electric Toothbrush, Oral irrigator, Toothbrush sanitizer ...