The Original American Stereophone Company ,Ever since we invented the world's first SP/3 stereophone back in 1958, Koss Stereophones have been bringing back the excitement of a live performance. Music lovers around the world recognize that dedication to accuracy in sound reproduction as The Sound of Koss. , ,Looking for high quality headphones brilliant for one the go travel? , ,Recent years have seen a huge rise in the number of audio devices being used and as such a whole range of audio headphones exist . However, if you are seeking a super brilliant audio experience then look no further than the KSC21 sportclip headphones which deliver unbelievable sound reproduction in a fantastic lightweight sportclip design. The soft, pliable clip design clips comfortably and easily over the ear and an in-ear element wrapped in a soft, foam cushion offers an opwn, hear-through sound that keeps you connected with the outside world and provides deep bass response whilst maintaining ultimate comfort. , ,The Koss KSC21 sportclip headphones brought to you by Hama, feature dynamic elements for a frequency response from 15-18,000 Hz and sensitivity of 101dB will see you be blown away by the sound you experience with these headphones and the 1.2 m plug offers plenty of flexibility for those of you wanting to use headphones on the go. , ,Built to be long-lasting, the KSC21 headphones are a good investment and will allow you to enjoy a fantastic audio experience every time you use them.