We are looking for manufacture/exporter of disposable air earphones. Technical specification: Disposable earphones,2 pins (Driver unit:13mm Mylar Speaker Frequency response:20-20K Hz Impedance:300 ohm Sensitivity:105dB S. P. L. At 1 KHz Input connection: Gold 3.5mm Cord length:1.2M Color/color option: Black). Target price:0.09USD/unit/FOB China port. Demand:300.000 pcs/month.