4 Wire Flat Touch Screen Panel Touch lens for mobile,MP3,MP4 etc; Low cost solution; Quick response,Consistently ... accurat Specifications:4 Wire Flat Touch Screen Panel Touch lens for mobile,MP3,MP4 etc; Low cost solution; Quick response,Consistently ... .Original glass material from Japan;3.High accuracy,deviation reaches +-(plus & minus) 1.0%,with Elo technology;4.Low fraction defective ...