Braun 550cc-4, Foil shaver, Black, 1 h, 5 min, Wireless, 45 min Braun 550cc-4. Shaver system: Foil shaver, Product color: Black. Charging time: 1 h, Fast charging time: 5 min. Connectivity technology: Wireless, Cordless operation: 45 min. Battery technology: Lithium-Ion (Li-Ion)