This Philips HQ6990/33 shaver uses super lift and cut technology. The three rotary heads with the dual blade system lift hairs to cut comfortably at skin level. The Reflex Action system automatically adjusts to every curve of your face and neck. The Philips HQ6990/33 features an ergonomically designed grip to enable easy handling for a comfortable shave. A charge time of 1 hour provides 30 minutes shaving time.