Troubleshooting
How do I pair my earbuds to a mobile 
device?
See Pair to mobile device.
How do I pair my earbuds to a computer 
or laptop?
Plug in the hi-fidelity USB Bluetooth adapter to your 
computer or laptop. The adapter is paired to your 
earbuds and connects to computer audio. See 
Connect to PC.
Why should I use the USB Bluetooth 
adapter instead of my computer's 
Bluetooth?
Your USB Bluetooth adapter provides the best 
connection, softphone functionality and acoustic 
sound quality through your earbuds. See Connect to 
PC, Configure USB adapter.
I can't hear anything in one or both 
earbuds.
• Check earbud volume level. See Adjust the 
volume.
• Power off and on to reset your earbuds. See 
Power on/off earbuds.
• Ensure that your earbuds are powered on and 
paired to your phone. See Pair mode.
I can't connect to my paired device or get 
error messages when I try to connect.
• Reconnect earbuds to your paired device by 
clicking the right earbud.
• Ensure that your earbuds are powered on and 
paired to your phone. See Pair mode.
• Ensure that your earbud firmware is up-to-date 
in Poly Lens App. Download the app: poly.com/
software
The earbud sensors are not working as 
expected.
• A call is not automatically answered 
when I put on both of my earbuds
• Mute/unmute is not working when I 
take off/put on my earbuds during a 
call
• During a call, mute unexpectedly 
turns on.
• Understand your earbud sensors. See Use 
sensors.
• Power off and on to reset your earbuds. See 
Power on/off earbuds.
• Modify earbud sensor settings in Poly Lens App. 
Download the app: poly.com/software
Tip:  For best audio performance while exercising, 
turn off sensors in Poly Lens App.
How do I pair my USB Bluetooth adapter 
to another supported Poly audio device?
Poly Lens Desktop App is required to pair your USB 
Bluetooth adapter to another device. Your Bluetooth 
adapter remembers up to 2 supported Poly audio 
devices, but connects to only one at a time. See Pair 
USB adapter again.
Can I connect my earbuds to a mobile 
phone and computer at the same time?
Yes, your headset can connect to mobile and PC. 
Your headset remembers up to 8 devices, but 
connect to up to 2 devices at a time. That includes the 
USB Bluetooth adapter.
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