How to connect DBT-122 to a Sony Ericsson T610 phone.
Click on the joystick on your T610 phone and then go to Connectivity > Bluetooth
> Turn On > Select New Device and it will search for any Enabled Bluetooth
devices.
Once it found your device (PC) it will ask you for Passkey (normally 0000) and
press OK. A pop up screen on the system tray will appear as shown below.
Double-click on it.
Then the below screen will come up. Type 0000 as the PIN code then click OK.