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The MQ500 is a powerful audio recorder built into a portable power bank charger. The MQ500 huge battery reserve, when fully charged, will allow the device to operate for 150 days in voice activation mode, or for up to 14 days in voice continuous mode. It has An optional use magnet that allows it to be attached to any magnetic surface.


Voice Activation & Continuous Recording Mode

Set to record only when audio is detected and the battery will last up to 150 days. When set to continuous recording the battery will last up to 14 days.
Time/Date Stamp
The manual gives very clear instructions on how to set the Time/Date Stamp. No more wasting time trying to figure out when each recording took place.

Hidden Recording On/Off Switch

The hidden recording on/off switch is simple to operate, but to a stranger they will not be able to determine it is a recording device.
Functional Portable Battery
The AU3520 has such a powerful battery that you can use it to charge other devices, such as a phone or tablet. 16GB Allows 576 Hours of Audio Storage

The AU3520 will hold up to 36 hours worth of recordings per GB. No need to worry about running out of space.

Max Capacity of 9,999 Files

The device can also be used to store other files such as word documents, E-books, music files, and anything else a person might need it for.

USB Memory: 16GB
Recording Time: about 576 hours
Battery Life: about 14 days (336 hours) in continuous recording; about 150 days in VAR standby recording [sound detection level: about 60dB(A)]
No of Recording File: 9,999 files
Dimension: 93(W) x 27(H) x 23(D)mm; 3.7(W) x 1(H) x 0.9(D) inches Weight: 75g; 2.6 ounces
Power: Li-ion, 3.7V, 3,000mAh
Operating Environment: Temperature: 0 ~ 40°C/41° ~ 113°F, humidity: 20 ~ 80%
Accessories: USB cable, magnet, manual.


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