WongMarket Mini Speaker Z-12 with FM radio and Support TF Card Reader for Cellphones/ &Tablets PC&Laptop&Computers (NO bluetooth) Z-12 Portable Mini Speaker with FM/TF Card Slot. With standard USB and 3.5 mm port Support TF card MP3, supports TF card up to 16GB. Working Time:2-4 Hours. Compatible with MP3/MP4/Phone/PC and any other music player device.