1.TF card mini speaker with recahrgeable battery 2.Small size, good sound 3.With EQ and repeat function 4.USB data download Function ... , highlights the modern style, make you own way. 6. Lithium battery, the computer USB, power adapter DC-5V, many ways you ... can enjoy music anytime and anywhere, eliminating worries. 7. PC USB data download, you can change the music anytime ...