1. Adopting high-sensitivity silicon condenser microphone, 360-degree stereo omnidirectional surround sound pickup, clearer sound 2. Simple operation, no need to turn on the state, you can also start recording with one key 3. Acoustic DSP dynamic noise reduction processing module, effectively reduce environmental noise 4. PCM recording is an original uncompressed coding format, bit rate up to 1536kbps lossless, the PCM signal has not undergone any coding and compression (lossless compression) 5. Segmentation function, you can record the file according to the set recording time for automatic segmentation, such as: 30, 60 minutes incrementally to store as a file 6. Time automatic recording function, just set the recording start and end time, then you can realize automatic recording, you can also set periodic recording (such as: single, daily, day of the week) 7. Password setting, after setting the password, you need to enter the password to access the computer, which can protect your privacy and record files 8. Comes with HIFI sound quality speakers, smooth and clear acoustic/lossless/rich in details, equalizer a variety of playback modes (funk/Hip Hop/rock/jazz/classical/electronic music) 9. Through OTG can be directly connected to Android phone, easy to manage files and download music, you can also transfer files to your phone/computer for storage 10. Suitable for a variety of scenarios, such as: business meetings, classroom learning, training and learning, interviews Parameters: 1. Material: ABS + zinc alloy 2. Screen: 0.96 inch color screen 3. Transmission: USB2.0 4. Recording format: WAV 5. Battery capacity: 230mAh 6. Memory: expandable up to 256G 7. Speaker: yes 8. Recording time: about 16 hours; playback time: about 3.5 hours; charging time: about 2 hours 9. Size: 11x26x98mm 10. Weight: 56.2g Packing list: - Host x 1 - Data cable x 1 - Instruction manual x 1