Logitech MK850 Wireless Bluetooth Keyboard Mouse Set 1. Simple and easy-to-use plug-and-play USB receiver, providing a stable 2.4GHz wireless connection within 10 meters. 2. The compact design saves office space and makes the desktop neat and clean. 3. The keyboard and mouse are compatible with multiple devices and systems. The keyboard can be typed on a computer, then switched to a tablet, phone or another computer for typing, and the mouse can be paired with up to three computers. 4. The right-hand mouse with comfortable lines and fast scroll wheel allows you to quickly flip through documents and web pages. 5. The full-size keyboard with numeric keypad and enlarged padded palm rest allow you to have a comfortable typing experience for long hours at your desk. 6. System Requirements Keyboard: Windows7, Windows8, Windows10 or higher, Android 5.0, Mac OSx10.10 or higher, iOS5 or higher, Chrome OS, USB connection: USB port is required, Bluetooth connection: Bluetooth smart device that supports keyboard (Bluetooth HID ) Mouse: Windows10 or higher, Windows8, Windows RT, Windows7, Mac OSx10.5 or higher, Chrome OS, Android 5.0, Linux kernel 2.6 7. Power supply mode: keyboard 2 x AAA battery (not included), mouse 1 x AA battery (not included) 8. Size: 431x213x28mm (keyboard), 115x74x45mm (mouse)