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BT539i Wireless Headphones

BT539i Wireless Headphones


  • The Sound of Koss

    High-Resolution dynamic audio driver

  • Cut the Cord

    Bluetooth® 4.0 Wireless Freedom

  • Stay Connected

    Built in microphone & on-board controls

Wireless Bluetooth®

Over-Ear Headphones

Key Features:

  • Full size, Wireless Bluetooth® Over-Ear Headphones
  • Bluetooth® 4.0 Technology
  • D-Profile
  • Built-in rechargeable lithium-ion battery
  • Up to 12 hours of playtime (at moderate volume) on one charge
  • Up to 40 hours of standby time on one charge
  • Detachable cord
  • Fold flat for travel
  • Available in dark grey or white
  • Free hard shell case (with purchase at koss.com only)