1. Automatic noise reduction recording, clear voice and noise reduction 2. Intelligent voice control recording, if there is sound (more than 30 decibels), it will be recorded, and if there is no sound (or less than 30 decibels), it will be paused and saved. 3. Recording files, encrypted and protected 4. Built-in 120mAh rechargeable lithium battery, 24 hours continuous battery life 5. Recording time: about 36 hours 6. Charging time: about 30 minutes 7. Sampling rate: 48KHz 8. Number of bits: 192Kbps 9. Product size: 32 x 27 x 8mm 10. Product weight: 99g
