SpecificationsConnectivityConnection ModesBluetooth, Wireless (dongle)Wireless Transmission2.4 GHzBluetooth VersionBluetooth 4.0, Bluetooth 3.0Operating DistanceUp to 10 meters, 360°coverageUSB Type3.0Nano USB ReceiverPlug & PlayNano USB Receiver Storage CompartmentYesCompatibilityWindows XP/Vista/7/8/10YesmacOSYesiOSYesAndroidYesChrome OSYesFeaturesKeyboard NumpadYesKeyboard Multimedia KeysNoKeyboard Function KeysYesKeyboard Ultra-slim Design4.9 mmKeyboard Aluminum Alloy BaseYesErgonomic Mouse DesignYesMouse Buttons4 including a 2D scroll-wheelMouse DPI1300DPI SwitchNoMouse Tracking TechnologyOpticalDriversYesPowerBatteryAlkaline batteryBattery Included2 AAA + 1 AA alkaline batteriesBattery LifeUp to 12 monthsDimensionsKeyboard Height19 mmKeyboard Width343 mmKeyboard Depth114 mmKeyboard Weight385 gMouse Height30 mmMouse Width64 mmMouse Depth113 mmMouse Weight60 gLanguageStandard Keyboard LayoutQWERTYLocal Layout OptionsYesReliable multi-mode wireless connection: connect via Bluetooth 3.0, 4.0 and 2.4 GHz Connect to multiple devices Switch among connected devices in one click Keyboard with aluminum alloy base Ultra-slim 4.9 mm keyboard design 1300 DPI optical mouse with ergonomic design Up to 12 months battery life