Made of premium ABS material, this wireless keyboard and mouse combo has 800DPI, 1000DPI and 1600DPI adjustable to meet your different needs, silent keycaps make it perfect for night time usage. Features -Color: Grey -Material: ABS -Size: 36.50X12.00X2.00cm/14.34X4.72X0.79in Keyboard working voltage: 3.0 V Mouse DPI: 800, 1000, 1600 Mouse working voltage: 1.5V. Wake-up method: press any time: 3 million clicks Mouse: 1 AAA battery (not included) Keyboard: 2 AAA batteries (not included) Languages: UK DE ES IT 5 languages - Wireless keyboard and mouse combination, very practical in use - Advanced 2.4 GHz, plug and play, no need for configuration - Just use a small receiver to wirelessly connect the keyboard and mouse to the computer. - 3 adjustable levels mouse: 800 DPI-1000 DPI-1600 DPI - 2.4 GHz wireless technology provides a powerful connection, providing a reliable wireless range of 10 . Package list: 1 x keyboard 1 x mouse 1 x USB receiver 1 x manual