This product can be directly charged by the adapter. Before you use this product, please charge the battery for at least 10 hours, the battery runs up to 40 minutes. This product is not to exceed 24 hours charging time. When charging, to ensure that the product is powered off. Specification Power Type: Electric Use: Body Materials: Plastic Voltage: 110V-220V AC EU PLUG, if you need other adapter, please contact us to get it. Usage Time: 40 mins Charging Time: 6 hours. Sales Package – 1 x Eletric Shaver, 1 x Adapter, 1 x Shaving Cutter Head, 1 x Cotton Brush, 1 x Cleaning Brush, 1X User Manual.