Koss BT221i Bluetooth Wireless Headphones



  • Wireless Bluetooth? Ear Clip Headphones
  • Bluetooth? version 4.2 Technology
  • 6+ Hour Battery Life
  • Built-in rechargeable lithium-ion battery
  • In-Line Microphone & Remote (Play/Pause, Start/Stop, Volume, Answer/End, etc.)
  • Pivoting ear-clip creates the perfect fit and seal
  • Sweat Resistant
  • Cable Management Clip


Koss BT221i Bluetooth Wireless Headphones

The Koss Headphones BT232i Wireless Bluetooth? Ear Clips features 6+ hours of battery life, in-line microphone + remote and on-ear design with pivoting ear clips.


Frequency Response 50-18,000 Hz
Sensitivity 101 dB SPL


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