This is a wireless keyboard and mouse combo. It is made of ABS material, durable to use. Plug and play, no need to install driver yourself, perfect keyboard and mouse set for home, office, net café, school, and etc. 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 time: 3 million clicks Mouse: 1 AAA battery (not included) Keyboard: 2 AAA batteries (not included) Languages: UK DE ES IT 5 languages - A good substitute computer and mouse set for or worn out one. - The mouse has a high response and optical lens, and can work freely on most surfaces of the desktop. - The keyboard provides maximum comfort and productivity at full size - Applicable to multiple scenarios, such as, home, office, cafe, and etc. - Made of ABS material for lasting use. Package list: 1 x keyboard 1 x mouse 1 x USB receiver 1 x manual