1.Brand new and high quality 2.Clear speaking and listening 3.Drive unit: 10mm 4.Impedance:16ohm 5.Frequency Range: 20Hz~20KHz 6.Plug: 3.5mm(Approx) 7.Length:About 120cm 8.Color:Black&Pink 9.Control Button:Mic,Answer Button,Play/Pause,Plus you can switch between songs