1. Memory: The voice recorder pen has built-in large-capacity expansion memory and a 100mAh rechargeable battery, supporting up to 10 hours of continuous recording and 8 hours of headphone playback. 2. Noise Reduction: The pen digital voice recorder features intelligent digital noise reduction that automatically adjusts to receive sound waves and filter ambient noise for different types of environmental noise. 3. One-Button Recording: The digital voice recorder allows simultaneous recording and writing, starting and saving recordings with a single button press. It can also be used as an MP3 player to manage your recording files by simply connecting to your computer. 4. Omnidirectional Pickup: The pen digital voice recorder is equipped with a 360-degree professional pickup microphone that optimizes noise and independently balances volume according to the recording scenario. The device also has a one-touch pause function, making it very easy to use. 5. Perfect Gift: The digital voice recorder allows writing during recording, making it the perfect gift for students, lawyers, businessmen, teachers, and more. Ideal for recording meetings, memory notes, lectures, and interviews.