inputs.text: slip microsd card plays alot music - great quality sound results red black sports headphones headphones great like convenience completely wireless ordered one thinking similar red black sports headphone not realizing one not \\builtin\\ tf microsd card followed instructions came red sports headphones charged 8 hours via usb port downloaded cd music onto 4gb microsd card presto note microsd card must inserted correctly making sure snaps securely similar mobile devices one even onoff switch features convenience cheap price 11