... wireless Headband Communication: Wirel Connectors: 3.5mm Use: Portable Media one year warranty Specifications1.support SD card headphone 2.bulk headphone 3.colorful headphone ... 4.factory price 5.OEM ,ODM1,headphone 2,support ... a 3.5 plug wire with microphone, an USB cable , a manual, color box packaging wireless headphone from China factory