Very cheap headphones! Just 5 quids down from 30! and built quality looks ok!
Radiopaq - Custom Tuned Earphones: Classical
Custom tuned earphones, designed to suit your listening needs. Specifically catered for various music genres, like Rock, Jazz, Pop & Classical. This is intelligent audio at it's finest.
Custom tuned for best experience with your CLASSICAL music library.
Light weight metal construction.
Gold plated 3.5mm audio jack.
Bi-Directional noise isolation.
11 part chamber construction for enhanced reproduction.
1.2 meter tangle free cable.
Supplied with 3 sizes (L,M,S) in-ear silicone gel cushions.
Frequency response 18Hz @ 20 KHz
Impedance 16 ohms
Driver Type 10mm
Noise isolation -26dB
Cable Length 1.2 meters
Cable type dual core 7 strand
Connector Type Gold plated 3.5mm Stereo Audio Jack