RUBBY SERIES - WIRELESS RECHARGEABLE MOUSECOMPACT AND MODERN DESIGN - COMFORTABLE GRIP - AUTOMATIC SLEEP SYSTEM - ON/OFF BUTTON - SUPPLIED WITH ITS USB/MICRO USB CHARGING CABLE TO USE IT EVEN DURING CHARGING - PLUG&PLAY - "SOFT TOUCH" COATING - SILENT CLICK - PC/MAC COMPATIBLE.FEATURES: CHARGING TIME: 1-2H - USAGE TIME: 40-50H - 3 BUTTONS - 1000 DPI - CONNECTOR TYPE: USB 2.0 - CHARCOAL GREY COLOUR