Philips In-Ear Headphones with Mic - Black (SHE2105BK/28) Audio Headset Features: Microphone, 3.5mm Plug, Lightweight Model Compatibility: iPod Classic, iPod Nano 4th Generation, iPod Touch 2nd Generation Frequency Response: 12Hz-22kHz Cable/Cord Length: 1.0 M L Ear Cushion Material: Silicone