Feature: 1.Stylish design. 2.Perfect fit on ear to enjoy for music. 3.Various color available 4.Stereo headset with excellent sound. 5.Fashional design, stereo,various color for mp3,mp4 player 6.Advantage price and high quality for mass purchase. Specification: 1.Headband made of Plastic & Metal material 2.Frequency response: 20Hz-20KHz 3.Speaker Impedance 32+/-15 percent 4.Rated power: 300mW 5.Sensitivity: 105dB 6.Package options: PE Bag, Gift Paper Box, PU Socket, Plastic Case, Acrylic.