Keyboard & Mouse | ENG | Mouse included | Optical | Number of buttons 3 | Scroll | Waterproof | Included Accessories Logitech MK540 wireless keyboard; Logitech wireless mouse; Logitech Unifying receiver; two AA batteries for keyboard; one AA battery for mouse; user documentation. | Battery AA x3
Optical | 1600 dpi | Number of buttons 4 | Battery Lithium-Ion polymer rechargeable | Included Accessories Unifying receiver,USB-C charging cable (USB-A to USB-C),User documentation | Dimensions 78.5 mm x 79 mm x 120 mm | Weight 0.135 kg
Optical | 4000 dpi | Number of buttons 5 | Wireless range 10 m | Battery AA x1 | Included Accessories USB Receiver;1 AA Battery;User documentation | Colour Graphite | Dimensions 118.7x66.2x42mm | Weight 0.115 kg