30-Minute Cordless Runtime - The rechargeable battery gives you 30 minutes of runtimenPivot u0026amp; Flex - Allows the shaver head to adjust and maintain close contact around the chin, jawline, and necknDual Flexing Foils - The foils are spaced apart so that the first foil trims hair closely, then gently stretches the skin so that the second foil can get even closernEnhanced Ergonomics - The shaver handle fits comfortably in your hand and the neck is angled for easy usenPop-Up Detail Trimmer - Trim your beard and side burns for a clean-cut looknThe Remington F3 Foil Shaver delivers a great shaving experience. Pivot u0026 Flex Technology allows the stainless steel blades and flexible foils to give you a close shave on your face and along the neck and jawline. Plus, the pop-up trimmer lets you shape up your sideburns and facial hair.