Description
Frequency response range : 100hz-20Khz
-Signal to noise ratio : 84db or higher
-Sensitivity: 80db+2db
-The output power: 3Wx1
-Distortion rate of II6 or less
-The Speaker specification: 3W 52mm
-Input power supply: DC5V-1200 mAh
-Working voltage : 3.0 – 5.5V
-Playing time / charging time : 180min/120min
