Mini USB fan with the metal case 1)Ultra-quiet fan for office 2)Fan ... angle use,great materia Mini USB fan with the metal caseFeatures1.2300RPM speed,96mm blade diameter, new DC ... wind, super quiet. 2.5V USB(cable length:1.2m) power supply,plug and play,plastic shell, special ... 96.3*147mmWeight: 144GVoltage: DC 5VPower consumption: 2.1±0.25WCable length: 1.2MPictures Mini USB fan with the metal case