SmartUnlock at Mac App Store analyse

Smartunlock is a Mac lock / unlock tool based on Bluetooth signal strength. After starting smartunlock, you can select a Bluetooth device (mobile phone, smart watch, Bluetooth beacon and other devices that can send Bluetooth signals) as your computer key. When the "key" is away from the computer, the screen is locked, and when the "key" is close to the computer, the screen is unlocked.