1.Small size
2.Great sound effect
3.Portable and able to insert memory card

Features:

input voltage: DC 5V 500mA
Lithium voltage:3.7V-500mAH
power: 2.5Wx2
Speaker Unit: 40mmx2
Frequency Response: 200Hz - 20kHz
SNR ≥ 70dB
Dimension: 200*70*38mm 

Packing details:

neutral color box packing
color box size: 253*112*49mm
carton size: 53*26.5*47CM
incasement: 40pcs/carton
Weight:NW:12.9KG    GW:  13.7KG

Package Included:

1*Color box
1*USB cable

1*double head Audio Cable,

1*User Manual