Sorse - #1 REQUESTED - Portable Bluetooth Speaker With FM Radio Function & High-End Stereo Sound - 7 HOUR Micro USB Rechargeable Battery - AUX/TF Card/Bluetooth Enabled - 100% GUARANTEE International advanced bluetooth chip and circuit design techniques support all bluetooth enabled devices. FM Radio mode that can automatically search local radio broadcasts. Up to about 7 HOUR of continues battery time. Supports TF Card and Micro SD Card along with AUX Input. Built In Microphone for hands-free phone calls.