OneBlade technology - shave any length of hair with dual protection system. Protection system - glide coating with rounded tips. Innovative 360 Blade flexes in all directions to adjust to the curves of face. 5-in-1 Adjustable comb design trims without clogging and interrupting routine. Create precise edges with the dual-sided blade. Does not shave as close as a traditional blade so skin stays comfortable. Stainless steel blade lasts up to 4 months. Fully waterproof. Rechargeable NimH battery. Comes with charging cable - adapter NOT included.