The Koss Design and Engineering teams collaborated to create the perfect wireless configuration using Bluetooth 4.1 with aptX™ to ensure the Porta Pro® Wireless Bluetooth headphones maintained the classic Sound of Koss® profile listeners have been enjoying since 1984.

The Porta Pro® Wireless Bluetooth headphones feature a rechargeable lithium-ion battery that can last 12+ hours.

In-Line controls on the Porta Pro® Wireless Bluetooth headphones allow users to wirelessly change songs, answer/end calls, change volume, and much more*.

A microphone is integrated with the in-line controls giving users the ability to talk wirelessly on the phone, record audio and control their source device*.

Like the Porta Pro® Classic headphones, the Porta Pro® Wireless Bluetooth headphones have adjustable temporal pads to relieve pressure on the ears. Its lightweight, open-air cushions for hear-through sound keep listeners aware of their surroundings while delivering exceptional sound performance. Oxygen free copper voice coils and dynamic elements allow the Porta Pro® Wireless Bluetooth headphones to deliver rich bass and a remarkably wide frequency response.

Porta Pro® Wireless Bluetooth headphones ship with the new Porta Pro® Hard Case included.

*Some Features are Source Dependent

*Charge Porta Pro® Wireless with 5V charging source only. Do not use charging source greater than 5V.

• 15-25,000 Hz
• 60 ohms
• 101 dB SPL
• Bluetooth 4.1 with aptX™
• Up to 12+ hours of battery life
• In-line microphone
• In-line controls

• 1-Year Limited Warranty