Have you imagine such an amazing pen? A pen with recording voice and video function. Built-in the smallest micro DVR in the world inside, this pen can never be just used to write smoothly, it is also endowed with the function of recording video and voice. That is, it is the world's first pen-based video micro DVR with such functions. High sensitivity of the microphone recording the clear voice in the 15 square meters, coupled with high-definition camera effects enable this pen to be a perfect choice while you are studying, listening to a speech and doing business negotiations. Besides, it also suits for such occasions: A. Law enforcement records B. Attorney collects evidence C. Reporter for special occasion interview D. Stealth surveillance video Key Features: -With the world's smallest DVR for recording video and sound -High sensitivity of the microphone in the 15 square meters -High-definition camera effects -Exquisite appearance -Smooth writing function -Replaceable standard cartridge -Durability -Environmental protection.