Spec : - Interface Type : USB Type A Male ; 2* 3.5mm Female TRS - Sampling Rate : 44.1/48K@16bit - Transminssion Direction : USB to Headphone+Headset / USB to Headphones(OMTP/CTIA) - Shell : ABS - Conductor Material : Tinned Cooper - Wire Gauge : 28 AWG - Wire Body Shileding : Aluminum foil - Jacket Material : PVC - Wire Body Outer Diameter : 4.0mm