1. Ergonomic design with two different height settings offers best in comfort and productivity. Minimize the pain and strain experienced from heavy use of notebook
2. With 2USB ports can use for other USB device.
3. With ON/OFF switch.

4.Speed:750-1500rpm
5.Air Flow:23*44*CFM
6.Noise Level:11DBA(Min)
7.Rated Current:0.4A
8.Voltage:5V DC
9.Power:0.9W
10.With 2 usb hub
11. Color avaible: Black, red, green