... cone speakers, clear treble, bass and pure. Unique design, so sound quality is even better, feel, texture class! 3 new concept ... to give you more choices . 5 built-in lithium battery, computer USB port power directly. Simple operation, long battery life (about 3 ... favorite soothing! 6 with FM radio, automatic station search, clear sound, PLL circuit design. Music Angel Mini USB/SD/FM Speaker ...