[Voice-activated recording] Convenient one-key recording. Push the switch to the VOR position to start voice-activated recording. When a sound is detected (more than 50dbs), it will record. When no sound is detected, it will stop recording to ensure full use of memory. Push the switch to the On position to start recording normally. Push to the off position to save the recording file. If you use MAC, you need to download a software that can support "WAV" format recording files.$Strong Magnetic RecorderThe mini recorder with strong magnetic attraction can be attached to any place to make recording secret and easy. And the password protection setting will protect your recording files (set on the computer). This small recording device is very suitable for lectures, conferences, interviews, classrooms, evidence collection, etc.$[16GB-3200mAh-300~500 hours recording time] This recording device is equipped with a 3200mAh rechargeable battery, which can stand by for up to 365 days, recording time is 360-500 hours/15-20 days, and can save 192 at a speed of 192KBPS Hours of recording files. The intelligent recording function enables the recorder to save recording files for 5 hours at a time. Full charge time: 8 hours.$[Professional Digital Voice Recorder] Synchronize the time of the recorder with the computer before recording. Support computer playback (WAV format) & headset playback (Mp3). Using high-definition noise reduction chip to minimize the noise, you will get high-fidelity recording, as long as your ears can hear, you can record the sound.$[Remote recording] IP67 waterproof design, recording at the farthest outdoor distance, free recording-[The sound heard by the ear will be detected and recorded-more than 50dbs].