The portable Wireless Keyboard Mouse Combo is perfect for home, office or workplace. Compact size is great for travel use. Easy plug & play setup: Just use one tiny nano receiver to wireless connect both keyboard and mouse to your computer, provide reliable wireless range up to 33ft. Compatible Systems: Windows 7, 8, XP, Vista, 10 (Note: Multimedia keys may not fully compatible with Mac OS) 2 AAA batteries required for the keyboard, 2 AAA batteries required for the mouse, NOT included. Package Included: 1 x Wireless Keyboard 1 x Wireless Mouse 1 x USB Receiver (Inserted in the battery compartment of the keyboard)