The Olympus CR15 is the official replacement cradle for the Olympus DS7000 and DS3500 digital voice recorders. This docking station charges the batteries of these units, plus allows fast USB downloading. In addition, you can hook in the Olympus foot control and use it for hands free recording or transcription. Indicator lights on the front show you when the recorders are charging or transferring files. Please note, download and power cables not included.