Mini Gift Wireless Stereo Portable Bluetooth Speaker

Description:
1,with FM 87.5-108MHz
2,with USB/SD slot
3,Built-in Mic for hands-free phone call

Specifications:
Bluetooth 4.2 ,working distance:10M
Charging voltage:DC 5V-500mah
Battery :3.7V 500MAH
,Normal volume playing time:2H-4H
Speaker:1*Ф52mm
Power: 4Ω 5W *1
S/N Ratio:≥90db
Product Weigth:263G
unit size:73.4*73.4*95.5mm

Packaging list:
Bluetooth speaker*1
USB data cable * 1
English manual * 1