Hi! Welcome to "Yousheng"Fashion! Quality is the first with best service,Customers all are our Best friends! Hope our products will satisfy you. Have a happy life! Yousheng Fashion Describe: Universal more→3.5mm plug is suitable for most smart phones, tablets, MP3, MP4, etc.. Over-ear headset, comfortable to wear. A wonderful gift for your friends. Item Name: Wired Headset Earmuffs Material: ABS Cable Material: PVC Plug Type: 3.5mm Sound Vocalism: Moving Coil Frequency Response Range: 20-20000Hz Impedance: 16Ω Sensitivity: 103dB Distortion: 0.3% Speaker Diameter: Φ10mm Features: Over-Ear, Comfortable to Wear, HiFi, Wired Size: 16cm x 8cm x 4cm/6.3" x 3.15" x 1.57" (Approx.) Cable Length: