The maximum supported microSD card is 32GB. By the way, 1GB can record 168 minutes of audio files.

AI processing is primarily used to improve the quality of recordings and to get as good a recording effect as possible at any storage location. However, in order not to miss any audio, there will be some noise. It is not suitable for high-quality music storage, but is very suitable for recording important messages.

Slimca is designed to record sounds over 5m away while being able to fit in a wallet, so some noise is inevitable. It supports noise cancellation, but it's not as powerful as other products because you don't want to miss any audio.

Slimca supports noise cancellation, but it's not as effective as other products because it has to make sure you don't miss any audio first.

No. Slimca uses a special microphone with a uniquely designed dual-amplification circuit. This microphone records the most sound, but it also records noise.

Yes. Please place the camera face up and in the center. Depending on the environment, it can record within a 5-meter radius.

Yes. Turn on WiFi+Bluetooth on the mobile app and you can use the app to upload the recorded files simultaneously.

It can be charged using the magnetic USB charging cable included with purchase.

Slimca超薄錄音卡在使用時不會產生熱量，但在充電時會產生一點熱量，並且在將錄音資料從錄音機傳輸到應用程式時也會產生一點熱量。

Slimca's frame and upper and lower covers are made of 304 stainless steel, which is harder and stronger than plastic, but please use it with caution. The upper and lower covers have been spray-painted 12 times for a luxurious texture.

The Slimca card does not generate heat when in use, but it does generate a little heat when charging and when transferring recordings from the recorder to the app.