✅ 2.4G STABLE WIRELESS CONNECTION RECEIVER: The micro receiver can be connected to the keyboard and mouse with only one USB port, plug and play, no other drivers or options needed. 2.4G wireless technology, the connection is more stable, and the effective wireless range is up to 33 feet. The USB receiver is plugged into the battery compartment of the mouse. Connect a keyboard and mouse with just a nano receiver. ✅ 19 FUNCTION HOT KEYS HUMANIZED DESIGN: Quiet buttons let you enjoy comfort, smooth typing and click. Hotkeys provide easy access to applications and media controls. The wireless quiet keyboard features 19 easy-to-reach function keys for multimedia control of video and music, email, and more. Ideal for entertainment, teaching, and office, saving you time and making work and life easier. (Note:Some multimedia function are not available with Mac OS and Win XP Win 7) ✅ FASHION ULTRA-THIN KEYBOARD: Wisfox wireless keyboard with 0.8 inch ultra-thin full sized design, with a special curved streamlined ultra-thin keyboard, your desktop is unique and elegant. The splash-proof feature does not damage the internal components of the wireless keyboard from accidental spills of coffee or water. You can focus on your work and enjoy afternoon tea time while typing. ✅ ADJUSTABLE DPI AND ERGONOMIC DESIGN: 3 DPI levels (800/1200/1600 DPI) allows you to change the cursor sensitivity easily and track more smoothly over a variety of surfaces. Contoured shape fits your hands perfectly, reducing hand fatigue.Ergonomic design for comfortable use. ✅ DURABLE AND WIDE COMPATIBILITY: Mouse and keyboard combination compatible with Windows 2000 / ME / XP / Vista / 7 / 8 / 10. Suitable for desktops, Chrome books, PCs, laptops, computers, smart TVs, MacOS. (The keyboard is 1 AAA battery and the mouse is 1 AA. The battery is not included.)