Philips O'Neill SHO2200RD/28 The Tread In-Ear Headphones - Red (Discontinued by Manufacturer) Treadproof with Metal Housing: Metal housing and premium rubber casing withstands impacts including somebody stepping on the product. Powerful Sound: With powerful 9mm drivers these headphones deliver a balanced sound experience coupled with a punchy bass performance. Smart Reinforcement: Thanks to the tough tangle-free fabric cable and reinforced connectors these headphones are built to stand up to the wear and tear of your active lifestyle. Comfortable for Long Wear: The deluxe ear sleeves enable you to wear your headphones for as long as you like without discomfort. Customized Fit: Three sizes of soft ear sleeves enable you to customize the fit to your ears.