Specification: Item Type: Voice Recording Pen_x000D_Material: Aluminum Alloy_x000D_USB Interface: Micro USB _x000D_Transfer Speed: USB 2.0 High Speed_x000D_Music Support: MP3, WMA, FLAC, APE and Other Formats_x000D_Recording Support: WAV Format: 512kbps/768kbps/1024kbps/1536kbps_x000D_Built In Battery: Lithium Battery 100mAh_x000D_Battery Life: 10 Hours of Continuous Recording, 8 Hours of Listening to Music on Headphones_x000D_Operating Temperature: -5 to 40C_x000D_Language Display: Support Multi Language Features: 1Memory: 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. 2Noise 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. 3One 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. 4Omnidirectional 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. 5Perfect 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. PackageList: 1 x Recorder 1 x Headphones 1 x Charging Cable