Koss Bt540i Full Size Bluetooth Headphones, Black With Silver Trim SUNGAIT Can be used to improve

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Koss Bt540i Full Size Bluetooth Headphones, Black With Silver Trim SUNGAIT Can be used to improveDetails : The Koss BT540i features state of the art Bluetooth hardware and software integrated with aptX codec technology. Listeners can stay connected with up to 12+ hours of battery life, the built in dual microphones and on board controls for taking calls and controlling music. The Koss BT540i is the most advanced Bluetooth headphone designed and engineered by the wireless headphone pioneer, Koss Corporation. Connect your favorite Bluetooth enabled