Q90 Intelligent HD Digital Noise Reduction Recording Pen, 4GB, 8GB, 16GB, 32GB - 4GB

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1. One key to turn on, one key to turn off, press lightly to start recording2. After the voice-activated recording mode is turned on, it will automatically record only when there is sound, and it will automatically pause when there is no sound, which saves storage space.3. DSP digital noise reduction technology4. Automatically save when power off to prevent data loss5. Support...