... music in memory.2. Build in digital FM stereo radio function, with rotatable antenna, scan and ... to an external mp3, computer, MD, CD audio to use as a speaker7. Built in-LINE ... -OUT headphone jack, MP3 audio can also be supplied to other speaker.Specification: ... ,Distortion:≤0.3% 1W 1KHz7.Stereo Isolation: ≥45dBAccessories:1.3.5 Stereo Audio Cable2.USB charging cable3.Lithium battery4 ...