... , MMC card; 5). Lithium battery, USB, adaptor. 1. Portable speaker;2. Metal case;3. Memory card slot: SD, MMC;4. USB ... ;5. Audio support: MP3, WMA, WAV;6. Built-in speaker: 2*3W;7. Line-in: Connect to Mobile, PC, MP3, MP4 ... . Accessories: USB cable, manual, line-in cable, adaptor, gift box. Metal case portable speaker