Wolk toothbrush specifications: toothbrush power source: 800mah lithium battery toothbrush power consumption: 1.0-1.8W voltage: global voltage usb charge time: 3 hours to fully charged product material: abs fully waterproof: ipx7 bristle: dupont nylon working mode: 5 pressure sensor. Package content: 1 x electric toothbrush handle 8 x dupont brush heads 1 x usb wireless charging base 8 x hygienic protective bristle covers 1 premium double layers travel case with magnetic lock. Can fit toothbrush handle and 2 brush heads with hygienic caps. 1 X instruction manual Brand: Wolk Size: []