What's in box: 1xKeyboard, 1xMouse, 1xUSB Receiver, (1xUSB C Adapter, 1xKeyboard Dustproof Cover). KEYBOARD Supports: 1. Caps Lock Indicator 2. Num Lock Indicator 3. Keyboard battery status indicator 4. Power Switch 5. calculator key 6. Screen lock key 7. Fn+(F1~F12) Shortcut Multimedia Keys 8. Tablets Brightness Adjustment and so on. WHISPER-QUIET FEELINGS - The sensitive scissor-switch keys and noiseless mouse buttons offer whisper-quiet environment for you to concentrate on your work and entertainment. ONE MORE OPTION FOR COMPATIBILITY: Mobifice keyboard and mouse comes with one USB C Adapter and silicone keyboard cover as gifts, in this way, they can not only be used for PCs, desktop computer, Laptops, but also used for those tablets that own Type-C ports. One-For-All COMPATIBILITY: Work perfectly with Windows XP, Windows 7, Window8, Window 10, Windows Vista and so on. To other not USB interface used(E.g: chrome book,Mac book pro,ipad and other devices), You only need an adapter for this cute keyboard. Energy-Saving Sleep Mode: Once you stop using the keyboard and mouse, both of them automatically entering into sleep mode, working with much lower current to save energy and better prolong battery lifespan. Durable Ultra Slim Keyboard: ABS material used, the wireless keyboard and mouse combo is not only of a cute retro keyboard wireless style but also unexpectedly lightweight, making it easy to carry on the go. The thinnest part is 0.17inches. Retro Keyboard Wireless: Sleek, ultra-slim body with perfect color combination of keyboard and mouse set which keys are beautifully crafted into a comfortable round concave, the retro round keyboard is vigorous to look at, a pleasure to view as well as type on. PLUG and PLAY WIRELESS Technology: With 2.4GHz wireless technology and A 2-in-1 nano receiver, you can just insert the usb receiver to use keyboard and mouse combo or separately, without any software, driver necessary.(Only one USB Receiver in box and stored at back of keyboard). Full Size Computer Keyboard: Real compact universal 101-keys wireless keyboard with a numerical keypad. The retro round keys adopt low-profile and scissor-switch design to speed up typing and reduce clicking noise.