USB power cable for Boss SP-303 & Roland SP-555 samplers (power bank not included)

usb power cable to make your Boss sp-303 sampler portable.
works with any 5V usb port.  power bank NOT included…
these cables work with sp-202, sp-303, sp-404og, sp-40a, sp-404sx, zoom sampletrak and sp-555

NOT advised for sp-404MKII