Material : Plastic+Iron net
Power : 5W
Driver : 57MM  2inch+diaphragm
Battery : 18650 3.7V 500mAh
Function : BT/USB//TF/FM/
CTNS : Type-C charging/Manual
consumer box size : 90x90x100mm 
master box size : 56.5x47.5x32CM（0.085）
Packing quantity : 90 PCS
Color : Black/Red/Blue/Gray 
40HQ  : 810 items (72,900 units) 69.56