Omnidirectional pickup high-definition noise reduction: 360 ° omnidirectional pickup, complete recording, precise capture of audio data; Dual digital silicon microphone combination, algorithm chip, acoustic noise reduction; Improve the adaptability and accuracy of recognizing and transcribing ASR.

Multi positioning real-time upload: using GPS+Beidou+WiFi+LBS base station for multiple positioning, integrating 4G full network wireless communication technology, supporting indoor and outdoor positioning; 4G network data upload is stable, with a wide range of application scenarios, no need for distribution network operation, power on recording, and easy applicability in various environments.