3 IN 1 head shaver for bald, designed for efficient, comfortable and versatile grooming, perfect for achieving a smooth bald look and daily facial care.1400mAh 3.7V Li-ion Battery: 2.5h charging time, ≥120 mins running time; supports long-lasting use without frequent charging.Motor speed: 4800±10% rpm; 3 attachments included: rotary head, 7-head shaver, large single cutter head for multi-scene grooming.LED display shows battery status clearly; plug and play function allows use while charging, equipped with Type-C charging cord for fast, convenient charging.Overcharge and over discharge protection ensures safe use and extends battery life; IPX6 Waterproof Grade for easy cleaning under running water, lightweight and ergonomic for comfortable holding.