1.PC Lens ascend to turn over 2.Rotary degree of earphone 90 3.Built-in 2GB4GB 8GB 4 Silver,Black,Red,Blue 5.Glass MP3 Features: 1)Support several audio formats, e.g. wmv, mp3, wma, and other music formats. 2)Quality Polaroid Lens from USA3)User friendly operation button for easy control4)Easy connection with PC/Laptops, no driver needed5)Built-in 2GB-8GB memory with extended memory for as long ...