MacNeil Foldable Noise Canceling Headphones, Silver/Gray Color: Silver, Color: Gray, Connectivity Technology: Wired, Earpiece Design: Over-the-head, Earpiece Type: Binaural Host Interface: Mini-phone, Maximum Frequency Response: 20kHz, Minimum Frequency Response: 20Hz, Operating Distance: 5ft, Product Model: CCS 55226, Sound Mode: Stereo