is a wired USB device, check for kinks in the integrated cable. Signal degradation often occurs if the internal shielding is damaged. 4. Troubleshooting "Extra Quality" Modded Firmware
To get the latest official firmware (currently ), use one of the following official applications: plantronics p610 firmware extra quality
Maintaining the functionality of the physical answer/end and mute buttons. How to Achieve "Extra Quality" Performance is a wired USB device, check for kinks