... 3.fashonable design, foldable headphone crodless headset with MIc 1.Bluetooth V2.1 Stereo Headphone,Class II 2 ... name to Yuxinxin in 2010 -One of the earliest earphone manufacturer -4000SQM workshop, 400 staff -20 engineers in ... 20,000square meters -Monthly output is 250,000pcs headset -Turnover of year is about $39,400,000 ... you to visit our factory. Thanks! mobile phone micro bluetooth headset