Gingko Beyond Portable Detachable Desk Fan/ Light Bedienungsanleitung Seite 7

Product Cleaning Instruction
You may use a dry cloth to clean the exterior and the fan blade.
You can open the fan casing by removing the 2 screws on the back of the fan
and then turn anti-clockwise to open the case. However do NOT have direct
contact with water as this product is not water proof.
Screws