HD Audio Quality: This digital voice recorder can record in 1536kbps format, ensuring clear sound. It is also equipped with a powerful noise reduction chip, which can effectively reduce background noise for perfect audio capture. Long Recording Time and Memory Expansion: The recorder supports 128 GB Micro-SD card, and the rechargeable built-in lithium battery ensures up to 48 hours of recording time. User-friendly Design: This voice recorder adopts a TFT color screen with clear display, supports headphone connection for private listening, and has a built-in speaker for worry-free playback. It also supports voice-activated recording and segmented recording options (30 minutes/60 minutes/90 minutes) for your convenience. Secure and Private: The feature of this digital voice recorder is its password protection setting, which allows you to keep your recordings confidential. This adds an extra layer of security for your sensitive information. Multi-function Voice Recorder: This voice recorder has MP3 playback function. In addition to recording, you can also listen to music with multiple playback modes. Widely used and fully packaged: This device is perfect for students, teachers, business people, etc., and comes with a headphone cable in the package. In addition, due to its small size and design, it can be easily carried wherever you go. Tip:This recorder supports up to 128 GB Micro-SD card, which is not included (please insert the SD card before use). Parameter: Screen size: 0.96-inch TFT color screen Recording format: WAV Recording bit rate: 1536KBPS Playback format: MP3/WAV/WMA Speaker: Support Built-in MIC: Omnidirectional capacitor MIC Battery capacity: 400mAh Headphone interface: 3.5MM Charging time: 2 hours Charging interface: Type-C Working time: 48 hours Memory expansion: up to 128GB Micro-SD card (not included) Supported system: XP&Vista/2K/ME/98 (driver needs to be installed)/for OS 10 Machine language: Chinese/English Color:Black Material:plastic Package Contents: 1 * Digital Voice Recorder 1 * USB Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.