The JNN K1 is an advanced hidden audio recorder with noise cancellation technology that features a 300mAh battery. This battery provides an exceptionally long usage time, reaching up to 70 hours. Additionally, the device has a Type-C charging port for fast charging, making its use much easier.

It can be used for audio recording without being noticeable to the eye, and with DSP noise reduction technology, it can isolate the sound you want to record from ambient noise, without any loss in sound quality.

The device is ideal for use in various situations, such as sessions, seminars, interviews, and many other occasions where audio recording is necessary.

Finally, it is also very easy to use, with simple control buttons for activating, recording, and playing back the audio.