This pair of extra bass in-ear headphones come with a 12mm drive to give you a detailed music output. Its power bass duct delivers extra deep bass. With vivid colors to choose from they are best companion for your smartphone. Comes with a carry pouch which helps you to store it right. Compatible products: Use this unit with campatible smartphones.Item is compatible with Xperia,Apple,BlackBerry,HTC, LG, Nokia, OPPO,Samsung. Notes:This unit is not guaranteed to operate digital music players. Trouble shooting guide for audio problem One of the easier fixes. If you’re only receiving audio through one ear of the headset, make sure the cord is fully plugged into the audio device. If the headset jack is only pushed in halfway, you may receive audio through just one ear or the issue might have occurred due wear and tear use from customer end. If the audio is still only working in one ear, check the headset in a different audio device. This can help you determine whether the headset or the audio device is at fault – and continue on the road to resolution. It may also be worth testing alternate headsets in the audio device to help you arrive at the correct conclusion