3 pcs 5W Usb Fan Speed Controller, Dc 5V Dc 4-12V To 2.5-8V Stepless Usb Fan Regulator Speed Control Knob With Switch Magnetic Clips which is tough and not

which is tough and not easy to stretch

making them a practical ad • Specifications:

making it ideal for professionals who need to carry their contacts while traveling

mechanics and DIY

hasslefree

3 pcs 5W Usb Fan Speed Controller, Dc 5V Dc 4-12V To 2.5-8V Stepless Usb Fan Regulator Speed Control Knob With Switch Magnetic Clips which is tough and notMaterial: The USB fan controller is made of electronic accessory, the inner conductor is made of pure copper, it is durable and long lasting for you to use Rated power: 5W (please do not overload), suitable for common 5. 0V USB fans USB fan speed controller: The wind speed of the fan can be adjusted between 2. 5V and 8V according to your convenience How to use: Plug the controller into the phone charger or charging treasure, plug the USB plug of the