The pocket-sized recorder is sleek in style and sleek in performance with up to more than 16 hours of continuous recording capability. The easy to use thumbpad makes for quick and convenient operation of functions like file management, choosing playback and recording modes and more while timer recoding and voice activation provide versatility. Enjoy the convenience of up to 1000 minutes of uninterrupted recording time in LP mode with 32MB of internal flash memory. Manage and store all of your audio files into four separate folders for easy organization and retrieval. Use the simple index marking function to accurately mark a specific point during recording or playback for quick location. Set up a specific period to record by easily setting the beginning and end times for audio. Three folders up to 100 files each while a fourth folder lets you record reminders Easy file management functions include single file erase, folder deletion, and file transfer Voice activation extends recording time by recording only when the microphone senses sound Index marks let you specify a particular point in a recording or playback for easy retrieval Use timer recording option to set a start and end time for a particular recording Recording Format - Triple Rate Coder Recording Media - Built-in 32MB Flash Memory Recording Time - 3 hours 30 minutes in HQ mode, 7 hours 20 minutes in SP mode, 16 hours 40 minutes in LP mode Sampling Frequency - HQ 16.0kHz, SP 10.6kHz, LP 8.00kHz Overall Frequency Response - HQ 300-6800Hz, SP 300-4500Hz, LP 300-3400Hz Voice Activation Practical Maximum Output - 120 mW Speaker - 28mm diameter dynamic internal speaker Power Supply - Two AAA batteries Battery Life - Approximately 30 hours (using alkaline dry cell battery) Dimensions - Length 3.9 x Width 1.54 x Depth 0.85 inch Weight - 2.4 ounces (66.5 gram) including battery