6Pcs USB Humidifier Module 5V Humidifieration Atomization Kit Spray Circuit Board Atomization Plate Disc Drive Board DIY Home Humidifier

["Application: This ultrasonic mist maker is a versatile 5V mini humidifier module, ideal for USB humidifiers, aroma diffusers, and DIY misting projects","The left and right welding points of the switch can be welded together to realize power on, i.e. spray, without the need to control the switch.","There is waterproof adhesive on the welding points of the wires to prevent circuit breakers, and a silver oxide layer on the surface of the atomizing sheet to protect the coating from oxidation.","The atomizing piece needs to be used together with the circuit board with the same frequency to achieve the ideal spray amount.","The atomizing piece needs to be used together with the circuit board with the same frequency to achieve the ideal spray amount."]