Livescribe 4 GB Pulse Smartpen Captures over 400 hours of recorded audio or 64,000 pages of notes. (Actual available recording time varies by audio quality setting) Instantly play back your recorded audio by tapping on your notes to listen to the information you captured Share your recordings and notes with anyone privately or publicly with 500MB of free online storage for your recorded audio or notes USB connector to transfer notes and audio to your Mac or PC Audio jack and 3-D Recording Headset for far-field recording