Feature:1. [Retro Circular Keycap] 2.4G wireless keyboard and mouse set, retro circular keycap, long distance transmission, multimedia shortcut keys, long lasting power, plug and play.2. [Smart Power Saving] Smart power saving, automatic power saving technology, low battery reminder. A USB receiver drives the keyboard and mouse at the same time, easy to operate without driving, plug and play.3. [Wireless Technology] Wireless technology, 2.4G wireless technology can be used within a range of about 10 meters in 360 to meet your needs.4. [Fully Compatible] Widely compatible with a variety of digital products with USB interface. Desktop, notebook, all in one, tablet and smart television, etc. For win7, for win8, for win10 universal.5. [Scientific Design] Scientific design, reasonable use of keycap layout space, save 55mm space than traditional keyboards, and save more space for your desktop.Specification:Item Type: Keyboard Mouse ComboMaterial: ABSModel: For Candy XRSupport System: For win7, for win8, for win10Number of Mouse Buttons: 4 ButtonsNumber of Keyboard Keys: 100 KeysKeyboard Size: Length Approx. 390mm / 15.4in, Width Approx. 135mm / 5.3in,High Approx. 362mm / 1.40.1inMouse Size: Length Approx. 99mm / 3.9in, Width Approx.71mm / 2.8in, Height Approx. 382mm / 1.50.1inEffective Distance: Approx. 10meters / 10.9ydBatteries: 2 x AAA Batteries for the Keyboard and 1 x AA Battery for the Mouse, Shipped Without Batteries.Package List:1 x Mouse1 x Keyboard1 x User Manual1 x Receiver1 x Cartoon Paper (Random Pattern)Note:Shipped Without Batteries