Avantree PowerByte - Portable FM Radio with Powerful 30W Stereo Bluetooth Speakers & SD Card Player, 20hr Rechargeable Playtime, and Extended Range, Wireless & Wired Speaker & U Disk Player

[POWERFUL SOUND] The PowerBytes 30W drivers and bass radiators produce incredible volume and amazing stereo sound with immersive left-right speaker separation.
[24/7 PLAYTIME] Enjoy up to 20 hours of playtime when operating via the rechargeable battery, or keep it plugged into a power source for nonstop listening.
[5-IN-1 FUNCTIONALITY] Use the Avantree PowerByte to enjoy your favorite FM radio stations, stream music from a Bluetooth enabled device, play audio from either a USB drive or an SD card, or as a wired speaker.
[CLEAR FM RECEPTION] Extend the external antenna and enjoy enhanced FM reception that allows you to listen to your favorite FM radio stations with crystal clear sound quality and without interruptions.
[EASY TO USE] With a large knob control, a clear LCD screen, and intuitive, individually labeled buttons, you can easily find, save, and play your favorite FM channels.