Specifications: 

1.         Size：70X25X12MM in Green

2.         USB2.0 standare，Hot plug & play

3.         No external power supply required

4.         Support Windows 98 / ME / 2000 / XP ，Mac os10.and Linux 2.4 X

5.         CE/FCC/RoHS Compliance

6.         Transparent Housing with oil & watter inside