【4 USB Speed Controller】Input port: USB-A male; Output port: USB-A female; Input voltage: 5~12V. The volume control also functions as an ON/OFF switch.【Stepless adjustment of the rotary potentiometer】By adjusting the volume, USB 5V can be continuously converted to 2.5 ~ 7.5V.【Application】Connect the speed controller to a mobile phone charger or USB power adapter, insert the fan's USB plug into the speed controller's USB port, and then turn the adjustment knob to set the airflow. The USB fan/diameter controller is very easy to use.【Note】If you want to set the fan to two levels, please set it to one level first; otherwise, you may not be able to adjust the speed. Package contents: 4 USB speed controllers
Price: £16.99 from ManoMano UK
| Stockist | Price | |
|---|---|---|
| ManoMano UK | £16.99 | Visit Store |
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