You can assign your mobile with BT Watcher, and you can forget about locking your PC: BT Watcher will do it every time you will leave the vicinity of the computer. BT Watcher can also start user-defined task when connection will be lost, or even shutdown the computer if connection is lost for long time. Program determines if you are present by testing connection to your mobile phone with bluetooth.

Version 1.4 features support for WIDCOMM and BlueSoleil bluetooth stacks.