♫ LOSS-LESS MUSIC FORMAT APE/FLAC SUPPORTED! QUICK & EASY PAIR WITH 99% BLUETOOTH DEVICES UP TO 33FT / 10 METERS: are you ready for loss-less music? Our speaker is! APE/FLAC/MP3/WMA/WAV format supported through USB/Micro TF SD card input. Want your tunes and Radio with you anywhere? Bluetooth 4.0 make it super easy to pair, just search DY21L and connect. With the powerful dual 5W audio driver and high quality crystal clear sound, this is the right one to get. ♫ FM RADIO 87.5-108 MHz, HANDS-FREE CALLING, MICRO TF/SD CARD SUPPORTED, USB INPUT, AUX LINE-IN. FM Auto Smart Search Function: long press "Mode" in Radio Mode, then press "Play" after Auto Search to change between channels. High quality frosted silver side and stainless steel mesh front layer with solid base provide high stability when standing. This is a speaker with lots of function.