Logitech MK470 Slim Wireless Keyboard and Mouse Combo

• 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: 33 ft (10 m) ¹Wireless range may vary due to environmental and computing condition
• Wireless technology: Logitech Nano Receiver.