... ,Portable and fashion 2,Clear sound 3,With a clip safely Special Functions: Play MP3 Music; USB TF / Micro SD Card Reader.Format ... supported: MP3 audio format;Battery: Built-in rechargeable Li-ion battery, directly connect with computer via USB ... :1. Design: Colorful, Simple, Exquisite, Fashionable, and Smart 2. USB 2.0 high speed 3. Supports following music display ...