Fast Charging and LED Display Design: Two hours of charging, the bikini razor can be used for up to 75 minutes. The USB charging design allows this electric razor to be charged using any power bank or computer. The LED display can intuitively display the remaining battery, charging and cleaning reminders. Fast Charging and LED Display Design: Two hours of charging, the razor can be used for up to 75 minutes. The USB charging design allows this electric razor to be charged using any power bank or computer. The LED display can intuitively display the remaining battery, charging and cleaning reminders. Safe Lock &Low Noise Shaving: Unique security lock (Long press 5 seconds to lock and 3 seconds to unlock),secure storage in your traveling and great help to protect kids from playing it. High-performance high-speed razor-sharp blades, help you easily and quietly shave or trim any unwanted hair on arms, legs, back, armpits and intimate lines closely. Waterproof for Wet & Dry: Washable shaving head; can be used in the bath or shower; anti-slip grip and hypoallergenic stainless steel blade makes this trimmer for ladies can be used in shower or bath with soap lather, shaving foam, so you can enjoy a more comfortable shave; easy to clean under running water.