RR-US350/351 Digital Voice Recorders Available Memory210 minutes Recording Time210 minutes Memory Capacity Indicator Slide Switch Operation Navigation Key Quick Record/Review File Search (Forward/Reverse) Real Time Counter Voice Activation Record Cue Index Search Editing Number of Folders/Files4/99 Erase Guard Mic Sensitivity Control Playback Speed Control Clock, Calendar File Transfer SoftwareIncluded Transcription SoftwareIncluded Cables Included JacksMicrophone, Headphone, Earphone Required Batteries2 AAA Maximun Hours of Battery Life (Play/Record)18/68 Size1-9/10w x 4-1/5d x 3/5h Weight (with Batteries)2.3 oz. Voice to Text Software Supported - PAN-RRUS350 - PAN-RRUS350