OneBlade technology - shave any length of hair with dual protection system. Protection system - glide coating with rounded tips makes shaving comfortable and easy. Innovative 360 Blade flexes in all directions to adjust to the curves of your face. Adjustable precision comb with 12 settings from 0.5mm to 9mm. Dual-sided blade designed for precision and control. Does not shave as close as a traditional blade so skin stays comfortable. Stainless steel blade lasts up to 4 months. Fully waterproof. Rechargeable Li-Ion battery. LED light shows battery status.