CERRXIAN USB Fan Speed Controller, 18W Stepless Regulator with 5V 4A USB-A & Type-C Input,Easy-Knob Operation for USB Cooling Devices
Akozon USB Fan Speed Controller - Precise Airflow Regulation with Adjustable Knob for 5V USB Fans & Multiple Power Sources
Veemoon Portable Mini Usb Fan for Pc Laptop Desktop Netbook Tablet Varies Usb Powered
GDSTIME 80 mm USB Fan, 2500 rpm, 28.9 CFM, 23.4 dBA, for Router, TV Box, Game Consoles, Laptop, USB Power Bank, USB Socket, Exhaust Heatsink, CPU Cooler Fan Replacement
Emergencies And Outdoor Work USB Fan Black Lightweight Rotatable USB Powered
Bendy PORTABLE USB FAN FOR Laptop OR ANY USB PORT ,+option car or wall adapter
