koss

Koss Cobalt Bluetooth Wireless Stereophone

The Koss Cobalt Bluetooth Wireless Stereophone allows complete wireless freedom plus the Full Sound of Koss. The Cobalt uses frequency hopping technology for interface-free audio. 30-foot range allows you to move freely while taking a call or listening to your favorite music or movies. The Cobalt is also sold with a USB dongle transmitter, allowing you to plug into your...