SUNSKY 2 PCS HW-602 USB Fan Governor Wind Speed Controller Air Volume Regulator Cooling Mute Multifunction Noise Reduction Switch Module

Input voltage: DC4~12V

Output voltage: DC2.5~8V

Output power: 5W (do not use it with overload)

Function description: suitable for common 5.0V USB fans on the market

How to use: Plug the male head of the governor into a mobile phone charger, power bank, computer USB, etc., and then insert the fan plug into the female head of the governor to use