... 360 degree rotation,ultra-quiet 4.excellent workmanship office desk portable new USB micro fan with excellent quality Power source plug: USBMaterial ... 25WPower cord length: 1.2MFeatures1.2300RPM speed,96mm blade diameter, new DC brushless motor, strong wind, super quiet.2.5V ... has been done by smoothing processing, durable and safe.3.New generation of DC brushless technique, lower running voltage and ...