Add extra fans to your Notepal U series.
3 x 80mm fan on 1 USB connector with speed control.
Speed: 950~1,800 RPM ±15% (with speed control)
Noise level: 21 – 23 dBA
Bearing type: Rifle Bearing
Fan Life Expectancy: 40000 hours
Rated Voltage: 5VDC
Application: Notepal U1/U2/U3 (PLUS)