Logitech MK470 Slim Wireless Keyboard and Mouse Combo

Category Keyboards,
Computer Accessories Brand Logitech Specification Mouse Sensor technology: High Precision Optical Tracking Sensor resolution: 1000 dpi Number of buttons: 3 Scroll Wheel: Yes- Mechanical Scroll Buttons: Middle Button Unifying ready mouse: No Unifying ready receiver: No Battery life Mouse: 18 months Battery type mouse: 1xAA Keyboard Battery life Keyboard: 36 months Battery type keyboard: 2xAAA Wireless operating distance: 10 m (33ft)  Wireless technology: Logitech Nano Receiver