Olympus DS-2500DT Complete Digital Dictation and Transcription Starter Kit Dictation Features: Editing functions (overwrite/insert/delete/security lock). Olympus RS27 USB Foot Pedal & Olympus E102 Stereo Headset Included. Olympus Dictation & Transcription Software SD Removable Media The supplied 2GB SD Card provides an ample amount of memory and the durability and reliability you need in a removable media card. Long life Battery Up to 37 hours of recording time on two AAA rechargeable Ni-MH batteries (included)