Oneblade to trim edge and shave any length of hair designed to cut hair not skin oneblade to trim edge shave designed to cut hair not skin 12 length precision comb rechargeable wet and dry use the philips oneblade is a revolutionary new electric grooming technology designed for men who wear facial styles and grow beards oneblade is designed to trim edge and shave any length of hair the unique oneblade shaving technology integrates a fast moving cutter