seller of this product is not affliated with, sponsored, licensed or endorsedby any branded entity or service.pods We understand that a very small number of users may experience a slightdifference in volume between left and right ear. This can usually beresolved with a simple setup or operation and is not a hardware failure of theheadset,Please folow these steps to troubleshootStep 1: Check fit Make sure that left and right earphones are worn tighthand deep into ear canal, Too shallow a fit or an incomplete seal will resulin sound leakage and affect listening balance. Try gently rotating oradjusting angle of headphones to find most snug and comfortablewearing position. Step 2: Check your phone/device sound balance settings, soundbalance settings are a common cause. Please go to your phone/devicesettings to troubleshoot:General Guide:i0S Example: Settings >Accessibility > Audio/Visual > Check that left andright channel balance sliders are in center position. Android example:Settings >Accessibility > Listening > Check Left andRight Channel Balance or Mono audio settings (make sure Mono is turnedoff). Step 3:Swap Left and Right EarThis is a critical step in determining source of problem! Swap theheadphones originally worn in left ear to right ear, and headphonesoriginally wom in right ear to left ear. listen again: ' 'ow sound' side is now louder. This means that there is noproblem with hardware of headphones themselves, and problemmay lie in difference in hearing between your ears, way you werewearing them before, or device settings. Please return to steps 1 and 2 todouble check. 'small sound' side is still small after switching ears: This meansthat there may be an abnormality in that headphone unit. Please proceed tothe next step.Step 4:Reset headset and re-pairA temporary software glitch may also cause this problem. Please try: Put theheadphones back into charging, close cover and wait morethan 15 seconds. Open lid and long press setup button on back of charging(please refer to instruction manual illustration exact location of thebutton) about 10-15 seconds until status indicator blinks in a specificway (indicating that reset is successful). Forget this device in your device's settings. Bring headset close to device and follow initial pairing process toreconnect.Tip:Please volume balance again after resetting. Step 5:Cleaning Headphone Sound Out HolesDescription: Earwax or foreign objects clogging sound out holes maycause sound to become mufled or distorted. Please use a dry, soft brush (e.g.eyeglass cloth, small makeup brush) to gently clean sound holes in themetal mesh of headphones. Do not use objects or liquids forcleaning!Troubleshooting Results Guidelines:After completing above steps, if problem is resolved, you can continueto enjoy your music! sound from a specific headphone unit is consistently and noticeably lowafter completing all of above steps (especially third step of swaptest),a hardware proplem mav oe involvec. Hardware problem handling:Please prepare your proof of purchase and contact our official customerservice channel:Provide customer service contact information (online customer service linkemail. phone number, etc. ). Our customer service will be happy to provide you with further supportand handling options.Cartoon