The Logitech MK650 Wireless Keyboard Mouse in Graphite is designed for business use with a focus on precision and reliability. Dimensions M650 Mouse: Height 108.2 mm, Width 61 mm, Depth 38.8 mm, Weight 101.4 g K650 Keyboard: Height 193.5 mm, Width 457.3 mm, Depth 24 mm, Weight 700.23 g Logi Bolt USB Receiver: Height 18.7 mm, Width 14.4 mm, Depth 6.1 mm, Weight 1.7 g Technical Specifications Sensor Technology: Precision tracking (400-4000 DPI) M650 Mouse Buttons: Left/Right-click, Back/Forward, Middle click M650 Mouse Scroll Wheel: Line by line precision and hyper-fast speed K650 Keyboard Keys: Total 118 keys (20 F-Row keys, 6 Hot-Keys, 24 Shortcut Keys) Wireless Technology: Logi Bolt USB Receiver, Bluetooth Low Energy (BLE) 5.0+ Wireless Operating Distance: Up to 10 meters Battery Life: M650 Mouse: 1 AA battery providing up to 24 months of operation K650 Keyboard: 2 AA batteries providing up to 36 months of operation