Package include: 1pcs USB fan Dimensions: 60x60x10mm Connector: USB Rated Voltage: DC:5V Rated Current: 0.18 Amp Rated Speed: 2900 RPM Air flow: 12.4 CFM Noise: 26 dBA Bearing Type: Sleeve Life: 35000 hours Cable Lenght: 30cm Weight: 28g

Package include: 1pcs fan Dimensions: 60x60x10mm Connector:XH2.54-Pin Rated Voltage: DC 5V Rated Current: 0.18 Amp Rated Speed: 3500 RPM Air flow: 16.5CFM Noise: 24 dBA Bearing Type: Sleeve Life: 35000 hours Cable Lenght: 20cm or 7.8 inches Weight: 22g or 0.78oz