1. The high body, high high abrasing resistance materials
2. Honolulu engineering type design, air suction above the groove
3. Low noise, low consumption electricity 
Speed:2000RPM 
Air Flow:20CFM 
Rated Current:180MA 
Voltage:5V DC 
Power:0.9W 
M.T.B.F:20000 Hours 
Compatible laptop: 8"-12