Features 1) Support car charger (needs suited adapter) 2) You can enlarge capacity by yourself 3) Using the compress technology of 128Kbit/s, phase locked loop circuit and stereo circuit, assure timbre effect 4) Support abundant Internet source 5) Anti-shock function is very good, you no need to make any change for original mobile 6) Using single key to choose channel, frequency memory automatically, preventing wrong channel operation 7) Song memory, continue play after electricity breaking