Stitch Stereo Wired Foldable Headphone with safe volume limitation
"* Very light, you can take it everywhere with you.* You can adjust the size so that it fits perfectly on your head!* Handy folding design: you can store it easily in your bag!* Frequency response: 20Hz-20kHz* Impedance (acoustic resistance): 32 Ohm* Sensitivity of 85 dB to protect your hearing!* Compatible with all audio and video players with a headphones jack output."