Features: 1. HD voice recorder with stereoscopic sound pickup and dynamic noise reduction 2. Stereo silicon microphone enables 360-degree surround sound recording; high-sensitivity capacitive silicon microphone captures clear, full-range audio 3. One-key recording function allows instant start without booting up; simple and convenient operation 4. DSP intelligent noise reduction with acoustic DSP processing module effectively reduces background noise; delivers clearer and more accurate sound reproduction 5. PCM lossless recording at 1536kbps; uncompressed audio format ensures high-fidelity sound quality Specifications: 1. Recording mode: Boot recording, shutdown save 2. Transmission interface: USB 2.0 3. Dimensions: 1.1 x 2.6 x 9.8 cm 4. Display: LCD screen 5. Recording distance: 510 meters 6. Recording time: Up to 16 hours 7. Memory card support: Not supported 8. Battery: 80mAh lithium-ion battery 9. Built-in storage capacity: 128GB 10. Video recording: Not supported Style: A: Black with neutral design Material: ABS Color: As shown in image Package Contents: 1 x Voice recording pen Note: This package includes only the items listed above. Other accessories are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 13 cm.