Y Splitter USB Fan Adapter Cable Speed 5V 12V Step-Up USB to Fan Dual 3Pin 4Pin PC Sleeved Power Cable 57 colors Sleeve Switch - AliExpress
USB Power Only Cable with Switch - A/MicroB : ID 2379 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Replacement cable for Power A controllers - Nintendo Switch - Nintendo
Computer Power Cord with Inline Power Switch
Amazon.com: RIITOP USB Extension Cable with ON/Off Switch USB Male to Female Cable Support (Data and Power) for USB Headset, LED Strips [3.3ft, 2-Pack] : Electronics
Amazon.com: Adafruit USB Cable with Switch [ADA1620] : Electronics