Braun Activator System Clean & Renew System (2 pack) Keeps Activator feeling like a new shaver everyday Active Drying Technology Once cleaning is finished, the shaver is silently dried using an inductive heating system. This thoroughly dries the shaver head to extend durability and maximize the shaver's performance. Automatic Charging After drying the shaver is automatically charged leaving it fully powered and ready to deliver peak performance at all times. Long Lasting Performance High performance cleaning formula also lubricates the cutting elements for optimal cutting efficiency. Replaceable Cleaning Cartridge Washed away stubble is retained in the cleaning cartridge, which can easily be disposed off with regular household garbage. There are no filters to replace and no cleaning of the unit required. Everything is neatly contained within the cartridge. Smart Foil Technology Active Head Technology Contour Hugging Head 3-Stage Cutting System Smart Logic Battery Care Clean & Renew System (1) Clean & Renew System (2)