2 speakers: 1 * 4 ohm 3W + diaphragm, with earphone jack, with radio function

3 supports MP3 file formats, support TF card, Line in external external audio source, can be connected with mobile phone, notebook computer, such as a personal computer

4 built-in lithium battery

5 power supply modes: lithium batteries or USB charging mode

6: > 80 dB signal-to-noise ratio

7 kinds of horn (16 core magnetic double horn, 13 horn and the outer magnetic core magnetic double horn