1、Full Panoramic Surrounding Recording: Highly sensitive 360 degree microphone records from all angles, DSP dynamic noise reduction eliminates noise from the source and reduces the impact of noise on the recording. 2、Intelligent Voice Control Recording, Lossless Music Playback: Smart detection, it records when there's sound and stops when there's silence. High power stereo speakers, pure and clear HIFI sound quality without noise or distortion. 3、Recording Encryption and Timing Recording: Protecting data security. You can set up a password to boot up, without the password you can't boot up, protecting personal content. It can set to record at a specific time once or every day, during the recording process to avoid a single file being too large, it can set to save files in segments. 4、Ultra Long Standby Time: Large capacity eco friendly lithium battery to meet the needs of long term recording, one full charge can record continuously for about 70 hours, standby 365 days. 5、OTG Direct Connection with Phone, E Book Reading: Even without a computer, you can directly connect your phone to the recorder through OTG to access the recorded files, making recording management more convenient. You can download and read a large number of TXT and LRC format novels, supports automatic page turning, background music playing while reading. Item Type: Digital Voice Recorder Material: Aluminum Alloy, Electronic Battery Type: Built in 300mAh Lithium Battery (Included) 1 x Digital Voice Recorder 1 x Data Cable 1 x User Manual