Using Bluetooth® technology, your iMac can wirelessly connect (that is, pair) with devices such as the included Magic Mouse 2 and Magic Keyboard, and with optional devices like the Magic Trackpad 2, the Magic Keyboard with Numeric Keypad, peripheral devices, wearable sport accessories, and others.
Some included accessories may already be paired with your iMac. For more information about accessories, see the next section, , then click the control to turn Bluetooth on or off. Your iMac comes with Bluetooth turned on.
Tip: If you don’t see the Bluetooth icon Using a Bluetooth mouse, keyboard, or trackpad with your Mac.