The Koss Porta Pro® Communication Headset features a flexible, hands-free electret boom microphone with detailed sensitivity and reduced sound distortion is perfect for multi-taskers. 

The Koss Porta Pro® Communication Headset headphones connect to devices through a simple 3.5mm TRRS plug that works with modern desk phones, computers and tablets. 

The Koss Porta Pro® Communication Headset also features Comfort Zone adjustable temporal pads to relieve pressure on the ears as well as a collapsible design for ultimate portability

• 15-25,000 Hz
• 60 Ohms
• 101 dB SPL
• 4 ft / 1.2m

• Limited Lifetime Warranty