This is a wireless keyboard and mouse . It is made of ABS material, durable to use. , 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 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