Feature and Description

1. Frequency Response: 180-20000Hz 2.Size of built-in speaker:36mm 3.Output: 2.5W

 4.Signal-to-Noise Ratio(SNR)>85dB

 5.Electricity3.7V(150MA. 6. Charge: USB power, DC5V/150mAH 7. 1 USB power cable is included. 8. 3.5mm audio cable is hidden at the bottom of the product. 9. LED power indicator10. Power On/Off switch(with two volume tiers)

mini burger speaker/portable mini speaker