Solution:JLAC6925B 4.2 Version
Function:BT/Aux /TF/RGB
Output magnet:52 MM Inner magnet *1 4Ω 5W
Output power:5W*1
Charging voltage:DC +5VMICRO USB
Charging time:3-4 hours
Battery capacity:1200MA/3.7V lithium battery
Frequency Response:80-18KHZ
S/N ratio:≥75DB
Distortion:0.1%(1KHZ 1W )
Transmission Distance:10 meter (exposed place )
color:white
Speaker cavity:airtight diaphragm enhances bass
material:ABS+sillicon key