ELUTENG 40mm USB Fan with 3 Speed Control USB Ventilator 5V Max 5300RPM High Flow Equiped with 40mm Fan Filter 2 Pack Dustproof Cover USB Cooling Ventilator Plastic Grill

ELUTENG 40mm USB Fan with 3 Speed Control USB Ventilator 5V Perfect for cooling VR Gear / TV box / compatible with Raspberry pi /Router / Roku / Aquarium, and other small electronic equipment. Ambient Temperature (?): - 10 ? ~ 45 ? NOTE: This is a 5V USB Fan, if connect with a voltage higher than 5V, the motor may burn off. Simple installation , can be recleaned many times. Equiped with dust covers can also help reduce noise.