Package Includes 

2 Pieces -  blower 2 pin  40x40x10mm  5v USB

Dimensions: 40x10mm
Connector: USB
Rated Voltage: DC:5V
Rated Speed: 6500±10%rpm
Air flow:7.13CFM
Noise: 25±10%dBA
Bearing Type: Sleeve
Life: 50000 hours
Cable Lenght: 20cm
Weight: 12g/pcs