Tomameri 16GB Silver Portable MP4 Player MP3 Player Video Player with Photo Viewer , E-Book Reader , Voice Recorder with a slot for a micro SD card Easy to handle with "Plug and Play". The device turns off by itself as long as nothing is playing. With A slot for a 4GB/8GB/16GB/32GB Micro SD Card can enlarge the memory. It is really great for running. It holds a lot of music and has a long battery life. Warranty and Tech Support only Handled by Tomameri.