1.Used for :mp3/mp4/mp5/iPod/iPhone 2.tiny shaped ,easy to take with your pocket 3.advanced quality 4.4.CE/ ROHS ... output to your headphones with a 2.5mm (Mini) plug. Useful and thin jack style iPhone Headphone Converter for Apple iPhone 2G, iPhone 3G,4GAluminum coated ... ,000 units. Our products are widely used for Mobile Phones, MP3/MP4 Players , IPOD , IPHONE , IPAD , Computers etc. Our company is ...