Portable Hi-Fi Music Player. Aux-in Jack for all Different Types of Devices such as MP3/MP4/DVD/CD players and MAC/PC Computers. Great for any Occasion and Travel. Large Dynamic Dual Speakers for Premium Sound. Built-in USB Input. Built-in SD/MMC Card Slot. FM Radio. High Performance Sound. Built-in Lithium Rechargeable Battery. Full Function Remote Control. USB Cable.