Start recording your performances with the Roland R-05 portable digital recorder with built in microphones. Affordable Pocket Recorder with Advanced Features. The compact R-05 is easy to use, affordable, and packed with big-ticket features that raise the bar in its price class. Experience crystal-clear 24/96 capture, enhanced recording and editing features, and extended battery life (over 16 hours per charge). On stage, in rehearsal, at school, on the street, in the boardroom - whenever inspiration strikes, let the R-05 capture the moment with convenience and quality.