Philips PRO6105 In-Ear Headphones are made of high quality material and offers compatibility with any 3.5mm device. Featuring 8.6mm sound drivers, the headphones produce crisp treble and thumping bass. Extremely comfortable to wear, they come with 3 sizes of ear caps ranging from small to large. This enables you to customize the headphones according to your preference. It also comes with smart anti-tangle slider that keeps your cable neatly together and ensures no more hassles with tangles or knots. They are great for listing to music and making hands-free calls.