The PS-P515U AC to USB Power Adapter from Tascam is a convenient adapter that allows you to power a USB device from an AC power outlet. It is ideal for portable audio recorders, allowing you to run them for hours without worrying about battery life. The PS-P515U is compatible with the following items: DR-05, DR-07mkII, DR-08, DR-40, iU2, GB-10, and LR-10.