PLUG AND PLAY Our wireless keyboard and mouse is easy to use. Just plug the USB dongle into the USB port of your computer and install the batteries. This wireless keyboard and mouse uses a simple connection method designed compatible withease of use. It requires only one USB dongle to connect both the keyboard and mouse. The USB dongle is stored in the battery compartment of the keyboard. WIDELY COMPATIBLE Designed with macOS user habits in mind, this wireless keyboard and mouse is recommended compatible withApple iMac and MacBook devices. It is also compatible 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, A1172, A1278, A1330, A1342, A1344, and others. KEY FEATURES Designed based on user habits, quality requirements, and expectations, this keyboard and mouse combo serves as a complete replacement compatible withyour current setup. Features include: (1) Special function keys optimized compatible withmacOS, while remaining compatible with Windows and Android systems; (2) Durable key switches engineered compatible withextended press life. LONG-LASTING PERFORMANCE The wireless keyboard and mouse utilize power-saving mode technology. The keyboard operates on two AAA batteries, and the mouse uses one AA battery, providing up to 6 months of usage. Batteries are not included in the package. POWER-SAVING TECHNOLOGY This device features an automatic power-saving function that turns off the keyboard and mouse after 30 seconds of inactivity. There is no manual on/off switch. Simply press any key to wake the device. This is not a response delay issue but an intentional power-saving feature designed to extend battery life.