Features: 1.Cute and Retro Design: The keyboard features adorable round keys that deliver a nostalgic typing experience. Ergonomically designed and adjustable DPI (800 1200 1600) for comfortable and precise usage. 2.Detachable Keycaps: The keyboard's keycaps are removable and come with a small brush for easy cleaning. The floating button design gives you an authentic typewriter feel while typing. 3.Automatic Sleep Mode: After 8 to 10 minutes of inactivity, the keyboard and mouse will automatically enter sleep mode to conserve battery life, extends the lifespan of the batteries and allows for up to 18 months of usage. 4.12 Multimedia Hotkeys: Combined with the FN key, the keyboard provides quick shortcuts for music, email, movies, internet, and more. Improve your productivity and convenience with the dedicated hotkeys. 5.Plug and Play: The 2.4GHz signal offers a connection range of up to 28 feet, while the compact receiver (USB 2.0) easily connects the mouse and keyboard without requiring any additional software installation. 6.Wide Compatibility: The wireless keyboard mouse set is compatible for Windows 2000, ME, for XP, 7, 8, 10, 11, for VISTA, and for OS X, suitable for desktops, PCs, laptops, computers, smart TVs, and more. specification:Item Type: Wireless Keyboard Mouse Material: PC Keyboard Battery: 2 x AAA Battery (not included) Mouse Battery: 1 x AA Battery (not included) Keyboard Connection Mode: BT1 and BT2 (dual channel) Mouse Connection Mode: BT and 2.4G Keyboard Size: Approx. 390 x 135 x 36mm / 15.4 x 5.3 x 1.4in Mouse Size: Approx. 104 x 68 x 38mm / 4.1 x 2.7 x 1.5in Keyboard Keys: 100 Keys Mouse Keys: 4 Keys PackageList:1 x Keyboard(Shipped without Battery) 1 x Mouse (Shipped without Battery) 1 x Reciever 1 x Sticker 1 x User Manual 1 x Brush