Blueant Z9 User Manual page 19

Advanced Headset Functions
Pairing your headset with multiple Bluetooth devices
The Z9 will connect to only one device at a time but 3 devices can be paired to it.
1. Make sure the last phone used has Bluetooth switched off or is out of range.
2. Follow the procedure in 'Pairing Procedure' above for each device you want to pair.
On-the-Fly Phone Switching
After pairing a 2nd or 3rd mobile, Smartphone, PDA or computer as per the pairing procedure,
you can switch between the devices using the following procedure.
Selecting the required mobile phone
1. Disconnect from the currently connected phone: Click Vol
2. Connect to any of the three paired devices on request by clicking the MFB
Once for the first paired phone
Twice for the second paired phone
Three times for the third paired phone
Note: Be sure to remember in what order the 3 devices have been paired.
together.
and Vol