laptop internal speakers has below advantages:
1.Support FM/USB/SD / MP3 /WMA
2.with LED display
3.built-in battery

 laptop internal speakers descriptions:

1. Functions:

Support  FM/USB/SD                                              

Support MP3 / WMA format                             

with LED Display  

2. Parameters:

 Power output: 3W+3W
 Frequency Response; 80HZ-20KHZ
 Distortion :< 0.3% at 1W
 S/N :> 65DB
Separation :> 45DB
Speaker: 2”   

3.Accessories:

audio wire
power wire
transfer socket 
remote

4. Packaging:

Production Size: 105*110*90MM
Gift box size:136X121X106mm
N.W:0.41kg
Carton size: 580X496X490mm
Qty/Carton:48sets
Carton G.W:20kgs
CMB/CTN:0.141m³