Philips 1000 series S1885/02, Rotation shaver, Blue, Battery, Nickel-Metal Hydride (NiMH), 35 min, 1 h Philips 1000 series S1885/02. Shaver system: Rotation shaver, Product color: Blue. Power source: Battery, Battery technology: Nickel-Metal Hydride (NiMH), Operating time: 35 min