HQ SOUND - We at Sout use the best material in the market to help you not lose any slight quality of the sound with your iphone;ALWAYS ON - Keep the adapter connected to your headphones for better and comfortable experience of your iphone;COMPATIBLE WITH ALL DEVICES - This adapter is compatible with all devices with lightning jack (all versions from iphone 5 and above);100% MONEY-BACK GUARANTEE - Sout are backed by 100% guarantee that you are fully satisfied with your product or receive your money back.;What it will not do? -Phone calls,Car aux,Volume Control are not supported in any adapter on the market at the moment