... battery ,High quality and stereo sound, Complete in specification,OEM design. Cheap Headphone with blister card packingProduct instructionPower ... buttonPlay/Pause buttonNext buttonTF card.Technical specificationAudio mode: compatible with MP3, WMA, WAV formatsFrequency range of receiver : ... introductionXN-MP09 is a digital Hi-Fi stereo music headphone, compatible with MP3, WMA, WVA. It is available ...