Brọsh Eze Eletriki Sonic Dr.Bei S7 bụ brọsh eze eletriki sonic emepụtara maka akpụkpọ eze ndị na-enwe mmetụta ngwa ngwa. S7 na-eji isi brọsh 4D nwere elastik nke na-ehulata iji hichaa n'etiti eze ma na-ebelata nrụgide n'akpụkpọ eze. Moto ya na-enye ohere ịgbanwe akụkụ ruo ogo asatọ, nke na-eme ka mmetụta nke ịsacha eze siri ike dị nro. Ihe mmetụta nrụgide na-ebelata ugboro ole mgbe ike etinyere gafere oke akara aka. Nhazi ike na-enweghị nkwụsị na-enye ndị ọrụ ohere ịhọrọ ike nhicha kwesịrị ekwesị. Ọdịdị dị mfe na panel enyo na-ejikọta interfeesi mmekọrịta na ahụ ya.