Braun °CoolTec CT4s, Foil shaver, Black, Blue, Battery, Lithium-Ion (Li-Ion), 1 h, 5 min Braun °CoolTec CT4s. Shaver system: Foil shaver, Product color: Black, Blue. Power source: Battery, Battery technology: Lithium-Ion (Li-Ion), Charging time: 1 h. Weight: 21.1 oz (598 g). Package width: 2.64" (67 mm), Package depth: 6.1" (155 mm), Package height: 8.74" (222 mm). Quantity per pack: 1 pc(s)