Koss RUK20 noise-isolating in-ear headphones deliver the Sound of Koss in style.
The Koss RUK20 in-ear headphones are easy to keep in your pocket, purse or bag so you can enjoy music on your portable device anyplace and anytime. The RUK20 comes with three different-sized ear tips to help you find the right fit, so they block out noise and seal in sound for optimum bass response and clarity. Available in a variety of colours, choose your style and keep in touch with your music wherever you go.
Koss limited lifetime warranty.
Sound Mode – Stereo
Minimum Frequency Response – 16 Hz
Connectivity Technology – Wired
Impedance – 16 Ohm
Cable Length – 1.22 m
Maximum Frequency Response – 20 kHz
Connector Type – Mini-phone stereo 3.5 mm