1、Memory: Voice recording pen has built in large capacity expansion memory and 100mAh rechargeable battery supports up to 10 hours of continuous recording and 8 hours of headphone playback. 2、Noise Cancellation: Pen digital voice recorder is intelligent digital noise cancellation that automatically adjusts to receive sound waves and filter ambient noise for different types of noise in the environment. 3、One Button Recording: Digital voice recorder allows recording and writing at the same time, starting recording and saving at the touch of a button. It can also be used as an mp3 player to manage your recording files by simply connecting to your computer. 4、Omnidirectional Pickup: Pen digital voice recorder is equipped with a 360 degrees professional pickup microphone that optimizes noise and independently balances volume according to the recording scenario. The device also has a one touch pause function, which is very easy to use. 5、Perfect Gift: Digital voice recorder allows writing while recording, making it the perfect gift for students, lawyers, business people, teachers, and more. Perfect for recording meetings, memos, lectures, interviews. Item Type: Voice Recording Pen Material: Aluminum Alloy USB Interface: Micro USB Transfer Speed: USB 2.0 High Speed Music Support: MP3, WMA, FLAC, APE and Other Formats Recording Support: WAV Format: 512kbps/768kbps/1024kbps/1536kbps Built In Battery: Lithium Battery 100mAh Battery Life: 10 Hours of Continuous Recording, 8 Hours of Listening to Music on Headphones Operating Temperature: -5 to 40°C Language Display: Support Multi Language 1 x Recorder 1 x Headphones 1 x Charging Cable