Bluetooth auto-lock with your Smartphone
For this comfort in the workplace, you have two options: Either connect your Smartphone to the Mac, or wear a fancy Bluetooth Gadget on the body. Both work on the same principle: the Bluetooth connection is activated, your Mac automatically in the screen saver with the password input. You come back to the Computer, the Bluetooth connection is automatically reestablished and the computer is unlocked.
- With the iPhone App "Knock" and the eponymous Mac App makes it particularly easy to implement. Install the two Tools, and pair the devices via Bluetooth.
- Especially nice is the way to unlock the Mac again: Tap on the iPhone, you need to enter a password more. The App is easy to use and very fast ready for operation.
- Owners of Android or Windows Phones to grab for free Mac-App "Proximity". Here you do not need any extra App for your Smartphone.
- Pair your Smartphone with the Mac via Bluetooth. You can adjust the settings easily in the Mac App from the system tray.
Alternative: Mac via Bluetooth with Gadgets to lock and unlock
Alternatively, you can use the key "Sesame" of Atama use. Do the same task.
- An advantage of the Gadgets is that your Smartphone battery is not charged by the current Bluetooth and the button cell of the key for several months to keep.
- Sesame is not as big as a lighter, bothers so on the keychain, but costs just under 40 euros. Through Bluetooth 4.0, and a Low-Energy mode is not supposed to suffer according to the manufacturer, the battery performance of your MacBook in this convenience.

Bluetooth key for Macs
With the Bluetooth versions, you will not log in to your Mac, forgotten passwords replacing the Gadgets but. Read in another practical tip on how to get your forgotten Admin password recover.