These days, just about every Apple device works with an external keyboard, from the iPhone to the Apple TV, and since most traditional Bluetooth keyboards only pair with a single device at a time, you’re often left juggling multiple keyboards or constantly repairing. This is where Kanex’s new MultiSync Aluminum Keyboard ($100) comes in — it allows you to simultaneously pair up to four Bluetooth devices and easily switch to your preferred device using four quick function buttons above the numeric keypad.