Bluetooth Speaker, Portable Bluetooth Stereo Speaker, FM Radio, Support TF Card/Micro SD Card and USB Input, Support MP3, WAV, WMA, APE, FLAC File for Smartphone, Laptop up to 5 Hour Working time New bluetooth technology, easy to pair. Digital LCD display clock and alarm Support Micro SD card and USB Double-press last call redial In phone mode, device will announce the incoming phone number