? ? ?? 4inch Portable Wireless Bluetooth Speakers with Light discolor Party Speakers with free mic

Specification:
Wireless transmission rang:up to 10m
Speaker drive size:4 inch.
outPut power:5W
Frequency response:100hz-20khz
Signal to noise ratio>=85db
FM scan rang:87.5-108.0mHz
USB charging:DC 5V
Battery capacity:800mah
Max memory support(USB/SD):32gb
Play time:Up to 3 hours at 75% volume charging time;
Charging time:3-5hours
bk026:Black
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