A9 Portable Bluetooth Speaker with FM/MP3 Player Function: 1. Bluetooth wireless transmission supported, with bluetooth, paired with various bluetooth enabled cellphones, computers, laptops, etc, such as Iphones, iPad, MAC 2. Compatiable with bluetooth cellphones, MP3/MP4/CD/PC/MAC/PSP, etc. 3. Volume down /UP, Previous / Next song 4. FM radio supported 5. lithium battery(plays more than 12 hours ...