OEM Jabra Elite 75t Wireless Headphones replacement parts For one item each order, select item from the menu. All orders include quality memory foam, see second picture. $13 value! All parts are tested and in nice condition. Charge case or replacement headphones:All case models work with any model 75t. Active headphones will charge in regular 75t charge cases, regular 75t headphones will charge in active 75t cases.Color does not matter, you can pair a different color case with different color headphones or different color replacement headphone with the current color headphone you have. However 75t active headphones will not work with regular 75t headphones. Left or right headphone: Pairing replacement headphone with your current headphone. Go to your bluetooth menu and forget/delete the old bluetooth connection and turn off and then turn on bluetooth.Put the headphones in the case and close the door.Wait 30 seconds, if the led on the case flashes blue/red wait for it to finish. This means that the replacement headphone has a newer firmware and is adding that to your other headphone.If the led does not flash after 30 seconds remove the headphones from the case, press and hold the right button to power off, then press and hold the right button until it goes into bluetooth pairing mode.Connect to your device.Go to the jabra app and update the firmware if one is available(press the settings icon on the top right of the screen). Updates from the case are only done if the right headphone has a higher firmware, if the left headphone has a higher firmware then the right side it must be updated thru the app. Serial numbers of charge cases and speakers are recorded before shipping.