Brand Name: Koss Product Model: KTXPRO1 Product Name: KTXPRO1 On-Ear Headphones Marketing Information: Koss KTXPRO1 headphones provide lightweight, adjustable portability with great titanium sound. The adjustable headband on these active headphones guarantees a comfortable, secure fit as you listen at home, at work, or anywhere in between.The Koss KTXPro1's in-line volume control and open foam ear cushions deliver hear-through high fidelity sound, the truest convenience in portable music. Product Type: Headphone Connectivity Technology: Wired Cable Length: 4 ft Sound Mode: Stereo Impedance: 60 Ohm Minimum Frequency Response: 15 Hz Maximum Frequency Response: 25 kHz Features: Lightweight, Adjustable Headband Earpiece Design: Over-the-head Earpiece Type: Binaural Host Interface: Mini-phone Material: Titanium Form Factor: Supra-aural Weight (Approximate): 2.40 oz Package Contents: KTXPRO1 On-Ear Headphones, 6.3 mm Adapter