Satechi Audio Move SD Portable MP3 Player Stereo Speaker System for iPhone, iPad, iPod Touch 4/5, Samsung Galaxy, Edge/Note5/Nexus, LG G4, Lumia 950, OnePlus and other smartphones and tablets Compact design with 2 integrated stereo speakers and powerful stereo sound Maximum 32 GB - space for approx. 600 albums - Playable file formats: MP3, WMA - Shuffle & Resume functions Line-in jack for playing music from other audio sources Rechargeable lithium-ion battery through USB lasting up to 17 via microSD/microSDHC card slot; 24 hours via Line-In Compatible with almost all audio devices