Features: 1.Function: With convenient round hot keys, you can easily manage media, email shortcuts, screen control, Internet and search functions. 2.USB Receiver: Drive keyboard and mouse at the same time, save space, leave SB for more devices, no transmission line, and clean office. 3.Shape Design: The appearance is bursting, multi color mixing, multi layer spraying scheme brings brand new visual and tactile experience. 4. The bottom layer adopts improved film technology, retro typing style, and the codewords are light and quiet, and the hand feels better. 5.Broad Compatibility: The combination supports for Windows 7,for Windows 8, for Windows 10, for Windows XP, for OS X. specification:Item Type: Keyboard Mouse Combo Material: ABS Keyboard Keys: 86 Keys Support System: For Windows XP,for Win7.for Win8,for Win10,for OS X,for Linux,Etc. Mouse / Keyboard Interface: USB Receiver Battery s: 1 x AA Battery (Mouse; Not Included), 1 x AA Battery (Keyboard; Not Included) Keyboard Size: Approx. 310 x 140 x 26mm / 12.2 x 5.5 x 1.0in PackageList: 1 x Keyboard 1 x Mouse 1 x USB Receiver NoteThe mouse and keyboard are shipped without batteries. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.