Model M3-Air P/N LCLN0003 Dimension Weight 242g / 0.53 lbs. ( with USB Fan) Material Aluminum Swarovski Crystal P/N S285 Crystal Diameter Ø 3.1 mm / 0.12 inches USB Fan Dimension 30 x 30 x 10 mm / 1.18 x 1.18 x 0.39 inches Fan Airflow 2.6 CFM Fan Speed 5800 rpm Rated Voltage 5 VDC Rated Current 0.055 A Bearing Type Sleeve Bearing Fan Noise level (dB-A) 19.0 dB-A Fan Cable Length 145 mm / 5.71 inches Compatibility Width: 32.5 cm (12.8 inches) Depth:22.7cm (8.94 inches) Width: 32.5 cm(12.78 inches) Depth:22.7cm (8.94 inches) Width: 32.5 cm(12.78 inches) Depth:22.7cm (8.94 inches) Width: 36.4 cm (14.35 inches) Depth:24.9 cm (9.82 inches) Accessory USB Extension Cable, Carry Bag (White) Extension Cable Length 300 mm / 11.81 inches