4 inch mini desk fan ideal for your office desk top to keep you cool on hot summer days This little black fan has an adjustable angle head meaning it can be re-positioned to achieve optimum airflow. It is easily powered by plugging the USB into your PC or laptop with the 1 metre power cable. The frame is a stylish black colour which will fulfill its role perfectly as a desk fan. Happily it is almost silent when running meaning no disturbance throughout the office. Due to its small but sturdy 100mm frame it can be easily transported from the office to home. The 6" clip on desk fan is another great option for compact office cooling. Ideal for an office desk top Small and almost silent for discrete use Can be easily powered through your PC or laptop USB port Metal frame with stylish and discrete black finish 1 metre power cable 4" adjustable head can be re-positioned to achieve optimum airflow