Tecsun X3 Built in an Aluminum case with Rechargeable FM Radio with ETM, MP3 Player with Built-in Micro SD Card Slot & Portable Hi-Fi Speaker with DSP Bass for Desktop & Laptop Computers, Color Silver 3-in-1 portable and rechargeable FM Radio, MP3 Player & Hi-Fi Speaker with Built-in SD card slot 1 1/2" full range driver delivers powerful, dynamic bass and distortion-free sound Built-in battery charger with included USB charging cable and earphone jack for private listening MP3 music player with built-in micro SD card reader (8GB maximum) Built in an aluminum case, Stylish design with compact size and lightweight 90 days manufacturer Warranty