1.Support TF card,USB port, upto 8GB 2.Mini easy carry speakers 3.Build ... function and play music from computer Support TF card,USB port, upto 8GB for convenience Mini easy carry pretty SpeakersIf ... frequency and volume when power off* Support TF card,USB port, upto 8GB for convenience of unlimited songs* Build-in ... and play music from computer Support TF card,USB port, 8GB for convenience Mini speakers