Đế tản nhiệt Notebook cool pad N21 Model: N21 Product dimension: 360x270x19mm Fan demension: 140x140x15mm Fan number: x2 Fan speed: 750 - 1200 RPM Air flow: 35CFM Air pressure: 0.45 -1.35 mmH Fan noise: 11DBA Current 0.4A(max) Voltage: 5VDC Power input: 1.75W NW:06Kg