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The Koss Cobalt is a wireless behind-the-ear headphone that utilizes frequency-hopping technology for interface-free audio.

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The Koss Cobalt is a wireless behind-the-ear headphone that utilizes frequency-hopping technology for interface-free audio. In addition, the Cobalt’s lengthy 30-foot range lets users move about freely while either listening to music or television, or even taking a phone call through its built-in microphone. Furthermore, the Koss Cobalt houses a long-lasting 8 hour Lithium Ion battery, not to mention a USB Dongle Transmitter that can be used to plug the Cobalt directly to one’s computer. The Cobalt also relies on a behind-the-head design to provide comfortable listening for extended periods of time. For added convenience, the Cobalt also features push button volume controls on the ear cup to allow for quick and easy adjustments. The Koss Cobalt is priced at $199.99. Although expensive, the Cobalt is regarded as a highly worthwhile investment for consumers who are tired of slinging around a wired headphone’s tangled up cords.

Features
  • Connectivity: Wireless
  • Design: Behind-the-head
  • Sound Mode: Stereo
  • Frequency: 20Hz-22kHz
  • Sensitivity: 80dB
  • Plug Type: USB
  • Wireless Technology: Bluetooth
  • Battery Life: 8 Hours
  • Max. Transit Range: 30 ft. / 10 m
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