Feature 1Function: With convenient round hot keys, you can easily manage media, email shortcuts, screen control, Internet and search functions. 2USB Receiver: Drive keyboard and mouse at the same time, save space, leave SB for more devices, no transmission line, and clean office. 3Shape Design: The appearance is bursting, multi color mixing, multi layer spraying scheme brings brand new visual and tactile experience. 4Features: The bottom layer adopts improved film technology, retro typing style, and the codewords are light and quiet, and the hand feels better. 5Broad Compatibility: The combination supports for Windows 7,for Windows 8, for Windows 10, for Windows XP, for OS X.SpecificationItem Type: Keyboard Mouse ComboMaterial: ABSKeyboard Keys: 86 KeysSupport System: For Windows XP,for Win7.for Win8,for Win10,for OS X,for Linux,Etc.Mouse / Keyboard Interface: USB ReceiverBattery Specifications: 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 .wang-edit-text{ font-family:'Arial' important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Keyboard1 x Mouse1 x USB ReceiverNoteThe 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.