myVolts Ripcord USB to 9V DC power cable is compatible with the Boss RC-505 mkII and lets you power the device from a USB port. Works with any USB port - laptop, phone charger, desktop PC, or even a mobile USB battery! It takes the 5V from a USB port and turns it into the 9V and amperage the Boss RC-505 mkII Loop station needs. .
The "9V Ripcord USB power for Boss RC-505 mkII Loop station" is perfect for people who need a portable and flexible power solution for their looping pedal, such as the Boss RC-505 mkII.