MK540 Advanced Wireless Keyboard & Mouse Combo for Windows — 2.4 GHz Unifying USB Receiver, Multimedia Hotkeys, 3-Year Battery Life — for PC, Laptop

Comfort-focused mouse design: ambidextrous shape with soft rubber side grips that conform to your palm, plus improved tracking for precise cursor control. Extended battery life: the keyboard can run up to 36 months and the wireless mouse up to 18 months (3). Productivity hotkeys: the keyboard includes convenient multimedia shortcuts with direct access to media controls, calculator and battery check functions. Reliable wireless connection: plug-and-play setup using the mini Unifying USB receiver on a 2.4 GHz connection, providing dependable wireless range up to 33 ft away from your PC or laptop (2).