A. ### Product Description 1. Material: Metal + Glass 2. Dimensions: 85mm×36mm×14mm 3. Memory: 8GB 4. Display Screen: 1.0 inch 5. Recording Mode: Continuous Recording 6. Recording Format: WAV Format 7. Recording Power: 0.8mA - 2mA 8. Recording Sampling Rate: 8KHz/16KHz/48KHz 9. Recording Bit Rate: WAV (32/128/192/384Kbps) 10. Music Playback Format: MP3, WAV 11. Memory Card Type: Does not support expansion cards 12. Display Screen: Monochrome Display 13. Transmission Interface: USB 2.0 14. Recording Distance: 10 meters - 20 meters 15. Power Supply Method: Built - in Lithium Battery 16. Battery Capacity: 220mAh 17. Battery Life: Can record continuously for about 18 hours and play for about 5 hours (with headphones inserted) 18. Colors: Black, Iron Gray, Silver 19. Quantity: 1 piece 20. Package Contents: 1 voice recorder (including battery) B. ### Product Features 1. Multi - function: This digital voice recorder has several functions, such as serving as an MP3 player, one - key recording, phone recording function, automatic storage, time setting, etc. 2. Good Sound and Easy to Use: The microphone of this voice recorder has relatively high sensitivity, allowing users to enjoy better sound quality. Users can record, save, and play through three simple buttons, making it easy to operate. 3. 8GB Memory for Longer Recording Time: This voice recorder can record for up to about 560 hours (at 32kbps recording quality); it has a built - in rechargeable battery; after being fully charged, it can record continuously for about 18 hours and play for about 5 hours (with headphones). 4. High - fidelity Recording: The microphone of this voice recorder records in a relatively high - definition mode and has an intelligent dynamic noise reduction function, ensuring good sound and recording quality within a 360 - degree radius. The external speaker can reproduce recordings with relatively high - fidelity. 5. Wide Application: This voice recorder is suitable for university classrooms, lectures, discussions, interviews, group presentations, and podcasts. It is suitable for primary school students, students, teachers, professors, business people and other groups.