Dual power supply is a patent of Patriot recorder.
Patriot dual-power recording pen R5589 has the best of both worlds. It uses a built-in lithium battery dry cell dual-channel power supply mode, which greatly reduces the cost of use. It can record continuously for about 30 hours. It is an ordinary recording It is twice as powerful as a pen, and with the Patriot second-generation timestamp, it can search files based on the recording time, which improves efficiency.
Patriot has fully civilianized the professional microphone technology used in aerospace. Restore space source sound, 15 meters ultra-long distance noise reduction recording.
The suspended source sound condenser microphone of the recording pen R5589 and the 10MM large-diameter stereo microphone have higher sound sensitivity and clearer sound quality; the suspended design can effectively reduce the friction sound and button sound between the hand and the surface of the machine. Professional digital sound processing chip, it can reduce noise and record at a distance of 15 meters, while still maintaining high-quality recording.
Patriot dual-power recording pen R5589 adopts universal high-quality MP3 format recording, which is not only convenient for playback, but also convenient for information exchange with other digital devices.