Pulse Smartpen Gets More Memory, Wider Availability Xavier Lanier10/19/2009 Livescribe is now offering a 4GB version of the Pulse Smartpen that is capable of recording up to 400 hours of audio. The company also announced today that Best Buy, Staples and Apple will be carrying the Pulse Smartpen this holiday season. The Pulse Smartpen was Warner’s favorite gadget at CES 2009. As you can see in his video, in-person demonstrations of the device are very impressive. Advertisement The 2GB version of the Pulse Smartpen costs $169.99 and the 4GB version is $199.99.