The core activity of BioNeuroTec GmbH is the development, manufacture, and distribution of devices and software for biofeedback and neurofeedback applications, particularly in the field of medical research and therapy. The company offers a range of products, including devices such as Nexus 4, Nexus 10, and Nexus 32, as well as software like BioTrace+ and Z Score 2 Channels. It also provides sensors and electrodes for various applications. The products are designed for use in medical research and therapy, specifically for the treatment of conditions such as incontinence and for the study of brain activity.