PLUG AND PLAY: Our wireless keyboard and mouse are easy to use. Simply plug the USB dongle into your computer's USB port and install the batteries. This wireless keyboard and mouse is designed for connecting to various devices. There is only one USB dongle used to connect both the keyboard and mouse. The USB dongle is stored in the battery compartment of the keyboard. HIGHLY COMPATIBLE: Compatible with Apple iMac and MacBook, designed with macOS user habits in mind. Also works with Windows computers, Android tablets, and TV boxes. Compatible iMac models include A1244, A1225, A1311, A1312, A1418, A1419, A1862. Compatible MacBook models include A1424, A1398, A1435, A1436, A1502, A1425, A1465, A1343, A1174, A1290, A1222, A1172, A1181, A1184, A1224, A1278, A1330, A1342, A1344, and others. WHAT'S DIFFERENT: Designed based on user habits, quality standards, and expectations. Ready to replace your current keyboard and mouse. Features include special function keys for macOS, compatibility with Windows and Android, and a long lifespan for keyboard and mouse clicks. WORK LONGER: Energy-efficient design uses two AAA batteries for the keyboard and one AA battery for the mouse, lasting up to 6 months. Batteries not included. Important: This device uses automatic power-saving technology and may turn off after 30 seconds of inactivity. There is no manual power switch. Simply press any key to wake the device. This is not a delay in response but a power-saving feature.