... price headphone 3,OEM/ODM offer 4,:iso:9001:2008,rohs.fcca icti,gsv hotest sell and high quality wearing headphone with factory price ... Ele accessories.4.GMC supplier .5.innovative,quality and safety offer for products .6.Fastest delivery time . about certification: about ... japan,canada etc. hotest sell and high quality wearing headphone with factory price hotest sell and high quality wearing headphone ...