Brand Shunzhan Model SZ215 Quantity 1 Piece Color Black Material ABS + iron mesh Type For Laptops Power DC 5V Number of Fans 2 Other Features Product size: 34.1 x 25.2 x 2.1cm; Fan size: 8 x 8 x 1.8cm; Rated voltage: DC 5V; Rated current: 0.35 +/- 10%A; Rated power: 1.75W; Fan speed: 1000 +/- 10%RPM; Maximum air flow: 74.35CFM; Bearing type: Hydro bearing; Two big fan low noise; Large-sized mesh enclosure with better efficacy of heat dissipation; Give out light and antiskid design is fashionable and practical; Thin design for convenient to carry Packing List 1 x Cooling pad 1 x USB cable (40cm-cable)