Braun Series 3 390cc-4, Foil shaver, Black, AC/Battery, Nickel-Metal Hydride (NiMH), 1 h, 5 min Braun Series 3 390cc-4. Shaver system: Foil shaver, Product color: Black. Power source: AC/Battery, Battery technology: Nickel-Metal Hydride (NiMH), Charging time: 1 h. Cordless operation: 45 min https://www.pocket-lint.com/gadgets/reviews/70697-braun-series-3-390cc-shaver Comfortable shave, cleaning unit keeps things fresh Struggles with tricky neck area A comfortable shave with plenty of features on offer. Whether the cleaning system is of any value is questionable, however, it does keep things fresh...