Lithium-ion battery for up to 3 weeks of shaving (50 min). 5 minute quick charge for a close shave. 100% waterproof electric shaver for wet and dry shaving. A close shave even in hard-to-reach places This shaver is designed for an efficient shave. AutoSense technology detects beard density and adjusts the power of the shaver accordingly, so it captures and trims more beards every time you shave. Simple handling The new ergonomic handle allows for effortless shaving with a single movement. Lithium-ion battery with longer life 1 full charge, up to 3 weeks of shaving. A quick 5-minute charge is enough for 1 full shave. 100% waterproof technology for Wet&Dry use You can shave dry, with foam, gel and in the shower. Package Contents: 7 series shaver Travel case Soft cover SmartPlug Cleaning brush Try other Braun products in the Electronics under the tree, Cosmetics and Body Cosmetics categories. If you are not sure about the choice of this product, get inspired in the Electric shavers category.