1. Product Description - Material: Metal + Glass - Dimensions: 85mm×36mm×14mm - Memory: 8GB - Screen: 1.0 - inch - Recording Method: Continuous Recording - Recording Format: WAV format - Recording Power: 0.8mA - 12mA - Recording Sampling Frequency: 8KHz/16KHz/48KHz - Recording Rate: WAV (32/128/192/384Kbps) - Music Playback Format: MP3, WAV - Memory Card Type: Does not support expansion cards - Screen: Monochrome screen - Transmission Interface: USB 2.0 - Recording Distance: 10 meters - 20 meters - Power Supply Method: Built - in Lithium Battery - Battery Capacity: 220 mAh - Battery Life: 18 hours of recording, 5 hours of playback (when connected to headphones) - Colors: Black, Iron Gray, Silver - Quantity: 1 2. [Multifunctional] The digital recorder offers many functions, such as an MP3 player, one - key recording, mobile phone recording function, high - quality recording, automatic storage, and time setting. 3. [High - Quality Sound and Easy to Use] This recording microphone is more sensitive, allowing you to enjoy better sound quality. It has three easy - to - use buttons for recording, saving, and playing. 4. [8G Memory for Longer Recording Time] The recorder can record up to 560 hours (at 32kbps recording quality); it has a built - in rechargeable battery. After a full charge, it can record continuously for 18 hours and play for 5 hours (when connected to headphones). 5. [High - Precision Recording] The recorder is equipped with a microphone for recording in HQ mode and intelligent dynamic noise reduction, ensuring excellent sound and recording quality for 360 - degree recording. The external speaker reproduces your recordings with high precision. 6. [Wide Range of Applications] This recorder is very suitable for universities, lectures, discussions, interviews, group presentations, and podcasts. It is especially suitable for primary school students, students, teachers, professors, business people, and other groups.