Wireless Technology - Works up to 30 feet of wireless distance. Operates on 12 different channels, each with 65,536 different IDs. Desktop Full Size - Full size keyboard provides better typing experience. Multi-Media Hotkeys - Provide ease of access to some of the most used functions. 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.