Hi Michael,
The issue could be caused in the Volume Settings, sound card or driver.
. Did you check the issue with different laptop?
Follow the methods below:
Method 1:
Try using the Playing Audio troubleshooter to fix the problem. It checks for common problems with your volume settings, your sound card or driver, and your speakers or headphones.
Tips for fixing common sound problems:
http://windows.microsoft.com/en-US/windows7/Tips-for-fixing-common-sound-problems
Method 2:
Try installing the drivers and check the status.
Update a driver for hardware that isn't working properly:
http://windows.microsoft.com/en-US/windows7/Update-a-driver-for-hardware-that-isnt-working-properly
Method 3:
After you've paired (connected) a Bluetooth enabled device with a Bluetooth enabled computer, you can change the name of the device or enable or disable services for it. You can also control how your computer pairs with this and with other Bluetooth enabled devices.
Change settings for a Bluetooth enabled device:
http://windows.microsoft.com/en-US/windows7/Change-settings-for-a-Bluetooth-enabled-device
For reference:
Add a Bluetooth or other wireless or network device: frequently asked questions:
For more help:
Contact JBL Support:
http://www.jbl.com/estore/jbl/us/support/spdp.jsp?pid=JBL FLIP
Let us know the status of the issue. If you need further assistance, please post back. We will be glad to help you.