1. One-click recording, no sound recording, no sound 2. 30 hours of continuous recording, built-in high-capacity lithium battery and intelligent power management system to ensure long-term recording 3. HD recording at 60 meters distance 4. Connect the OTG adapter, you can play and manage files on the mobile phone, and the reading speed is fast 5. Intelligent voice control, with sound, start recording, no sound, stop recording, save memory space 6. Automatically save when power is low 7. AGC automatic gain adjustment function 8. Nano refill mobile phone, writing smoothly and seamlessly
