MP3 cover 1.No screen 2.li-ion battery for music over 4 hours 3.USB 2.0 interface 4.1 year warranty MP3 cover Product Features1.Can work with a TF card or inside flash 2.With USB 2.0 high-speed port, use as USB storage device3.Built-in rechargeable Li-ion battery4.Battery work Time: Approx 3~6 hours 5.Color: pink, blue, red, white, black.6.Memory Capacity: 4GB, 8GB, 16GB7.Audio Format: MP3, WAV, ...
