Features: 1. 3D noise reduction microphone, 3072K recording, eight levels of noise reduction 2. Support recording and transcription on APP 3. Support OTG connection for mobile phone downloads 4. Recording encryption protection, you can set a 6-digit password. Without the password, you cannot turn on the phone to protect the contents from leakage. 5. Support music playback Product parameters: 1. Material: zinc alloy, PC plastic 2. Chip: Stock 3. Supported languages: Simplified Chinese, Traditional Chinese, English, German, Japanese, Korean, Spanish, French, Arabic, Czech, Greek, Persian, Italian, Dutch, Polish, Portuguese, Russian, Finnish, Swedish, Thai, Hungarian, Slovak 4. Capacity: 4G/8G/16B/32G/64G/128G 5. Screen size: 0.96 inches, 80 x 160 TFT color screen 6. Recording format: WAV, MP3 (adjustable) 7. Recording distance: about 5 meters straight (optimal) 8. Bitrate: 32kbps, 128kbps, 192kbps, 512kbps (default), 1536kbps, 3072kbps 9. Music format: MP3/WAV/WMA/APE/FLAC 10. Transmission interface: MICRO-5PIN-USB2.0 11. Headphone output: 3.5mm two-channel stereo 12. Headphone specifications: supports common headphones three/four sections, headphone impedance of 16 ohms or 32 ohms 13. Headphone output power: 10mW at 32 ohm, 20mW at 16 ohm 14. Built-in battery: 3.7V 230mAh lithium polymer battery 15. Battery life for audio playback: about 25 hours for playback in headphones and 3-7 hours for external playback (depending on volume) 16. Audio recording battery life: 25 hours of continuous recording (recording quality and noise reduction level vary) 17. 8GB memory recording storage time: 64kbps about 360h, 512kbps about 45h, 1536kbps about 15h 18. Voltage charging: USB 5V 19. Charging current: 300mA-1000mA 20. Charging time: about 2-3 hours 21. Product size: 98 x 22 x 9 mm 22. Net weight: 65 grams Packing list: -Recorder x 1 -Data cable x 1 -Warranty card x 1 -Manual x 1