OPOLAR Office Quiet Desk Fan, USB Powered Only, 360 Degree Rotation, Perfect Personal Fan, Mini Metal Cooling Fan Dorm Office Table - 5V 6 inch Enhance Airflow (Black) Quietness- Adopting brushless motor can reduce noise to 40db. Except for a slight whirring sound that you can barely hear. There is no disturbing while its on. Stability and Metal Casing the stand is sturdy and there are rubber feet that are adjustable (they move around). The blades are plastic but the structure surrounding it is metal. It stands up to abuse much better than plastic. High Compatibility and low electricity consumption- The USB fan works from laptop or power bank or an independent generic power adapter. Power consumption: 2.5W Multipurpose- This item can be put in a table or hang it on the wall or in a little crevice even Office card board due to the adjustable stand so that it wont take up desk space. 360 Rotation and One year Warranty-The fan head rotates 360 degrees so you can point it upwards or downwards. One year warranty, just shop with your confidence.