Wireless Keyboard and Mouse Combo 2.4G Ergonomic Compact Silent for Computer and Laptop This 2.4G wireless keyboard and mouse set features a punk arc keycap design that fits the finger shape for a comfortable and delicate touch. It comes with a numeric keypad that can be switched to the numeric area by pressing the Num Lock key. Fully compatible with laptops, desktop computers, all-in-one machines,etc., it is your ideal choice for office and study. Features: Punk arc keycap design, fits the finger shape, comfortable and delicate touch. Comes with a numeric keypad that can be switched to the numeric area by pressing the Num Lock key. Fully compatible with laptops, desktop computers, all-in-one machines, etc. Uses 2.4G wireless connection, with a transmission distance of up to 10 meters. The key life exceeds 10 million times, with strong durability. Specifications:  Material: ABS Colour: Black / Pink / Blue（Optional） Working mode: 2.4G wireless  Mouse DPI: 800-1200-1600  Working distance: 10 meters  Mouse size: 105*58 MM / 4.1*2.3 in  Keyboard size: 28*51*27 MM / 11.2*5.0 in  Receiver size: 19*14.6-6 MM / 0.70.60.2 in  Number of mouse keys: 4  Number of keyboard keys: 78 retro punk keys  Mouse battery: 1AA (not included in shipment)  Keyboard battery: 2AAA (not included in shipment)  Working voltage, current: 5V & < 20mA S System support: Windows 2000, , Windows 7, Windows , Windows 98, OS, Windows ME, Windows 8, Windows 10, etc.  Package size: 24.0*10.0*3.0cm / 9.4*3.9*1.2in Package weight: 500g / 17.64oz  Package list:  1*Wireless keyboard  1*Wireless mouse  1*User manual