Wireless Technology: Works up to 30 feet of wireless distance. Operates on 12 different channels, each with 65,536 different IDs.Durable and Spill Resistant Design: Drain holes in the keyboard prevents damage of accidental water, coke or coffee spill.Membrane Switch: 5 Million keystroke lifecycle for a quiet and fast typing experience.Multi-Media Hotkeys: Provide ease of access to some of the most used functions.Compact and Portable: Ultimate space saver and easy-to-carry on the go.Wireless Technology: Works up to 30 feet of wireless distance. Operates on 12 different channels, each with 65,536 different IDsEnhanced Optical Sensor: Tracks accurately and precisely on different surfaces, like marble, wood and leather surfaces.Auto Sleep Design: Maximizes your battery life up to 6 months.Micro-switch: Up to 6 million times lifecycleNano Receiver: Tiny and convenient to plug into to your laptop or tablet.