Bluetooth
Drag the icon on the Bluetooth switch 
to the right to turn on Bluetooth
functionality to connect to Bluetooth devices. Drag it to the left
to turn it off.
Bluetooth settings: Turn Bluetooth on, then tap Bluetooth to access the following settings:
VS930 4G: Opens a dialog box for you to rename your phone as it is seen by other Bluetooth compatible devices.
Make phone visible: Tap to allow other Bluetooth devices to see your phone for pairing and connection. The Bluetooth name checkbox turns blue while it is visible, then turns white when it’s no longer visible.
Device type to be searched: Opens a dialog box to select the type of device(s) you want your Bluetooth device to search for. The default setting is All devices.
AVAILABLE DEVICES
The list of all of the available in-range Bluetooth devices.
Tap the Search for devices icon at the bottom of the screen to search for in-range Bluetooth devices.