... usb portable mini speaker 1. support micro sd cards 2. music format: mp3 / wma 3. 3.5mm audio output 4.lithium battery New USB ... Portable mini speaker (MS-016)1.Support Micro SD card2.Support music format ... .Built-in Lithium battery 7.Accessory:Gift box, audio line, usb cable,user manual, holder8.Color: black,red,orange,blue,green ...