KB-109 LED Bluetooth speaker
Bluetooth 4.0 JL
Speaker output: 3W
LouderSpeaker Unit:4Ω5W*1（RMS）
frequency response：90Hz-20KHz
sensitivity：80db±2db
Receiving distance:10m
Signal&noise ratio： 80dB
Polymer battery: 3.7V/4000MAH
Product size：100*100*112mm
