Intone I60 Lightweight Folding 3.5mm Stereo Over-ear Headphones Portable Stretch Headsets Earphones Leather Earpad with Build-in Microphone and Control Button for All Smartphones,laptops,tablets,pc,mp3/mp4,psp,ipod (Black/Gold);

NOTICE: If you purchase Sound Intone I60 Headphones from any sellers on Amazon other than AMAZON.COM or MUJI SHOP,you may buy the imitated products. All Sound Intone products come with 3 months Warranty and it is ONLY available when you purchase your headphones from Sound Intone AUTHORIZED SELLERS. Never fooled by Imitations especially with very cheap price!

Features:

Adjustable headband for comfort and secure fit 3.5mm plug, compatible with MP3/MP4 , PC, iPhone,iPad and most smartphones
Specification:

Driver diameter: 40mm
Impedance: 32ohm
Sensitivity: 103dB +/- 3dB
Frequency range: 20-20KHz
Plug type: 3.5mm
Mic impedance: <=2.2kohm
Mic sensitivity: -42dB +/- 3dB
Mic frequency range: 100-10KHz