Beanstalk speaker product features and parameters:
 ·Output Power: 3W
 ·Frequency response: 100Hz ----- 20KHz
 · Distortion: <1%
 ·signal to noise ratio:> 80dB
 ·Speaker Specifications: 4OHM 3W
 · Dimension: 110 * 63 * 34mm
 Easy Instructions
 ·Press this button to turn on or off, press, compared with play / pause or FM auto scan.
 · M key: Short press to achieve the function switch, followed by: MP3àFMàAUX.
 · Short press on one or on a channel, press the volume was reduced.
 ·Short press the next or the next channel, Chang was the volume increase.