Sound Intone IP950 Stereo Folding Stretchable Headphones Adjustable Headband Headset Kids Earphones or Adults Lightweight Headsets With In-line Mic for Iphone/Ipad/Tablet/Andriod/Mp3/Mp4/Laptop(Black);

NOTICE: If you purchase Sound Intone IP950 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 and 5 ft. cord, compatible with MP3/MP4 , PC, and most smartphones
Specification:
Driver diameter: 40mm
Impedance: 32ohm
Sensitivity: 106dB +/- 3dB
Frequency range: 20-20KHz
Plug type: 3.5mm
Mic sensitivity: -42dB +/- 3dB
Mic frequency range: 100-10KHz