Reusable Electrode Pads: The package contains three electrode pads that can be reused multiple times. These pads are specifically designed for use with the Vitalic Perio-TENS device. Single Person Use: Each electrode pad is intended for single-person use only. Sharing electrode pads is not recommended for hygiene and sanitary reasons. Usage Time: The length of time an electrode pad can be used depends on factors such as its storage, the user's skin type, and the duration of each treatment session. Generally, each electrode pad can provide approximately 20 to 30 treatments of 20-minute duration. These electrode pads are essential accessories for individuals using the AIRSSENTIAL Vitalic Perio-TENS device for various treatments. It's important to follow the manufacturer's instructions for proper use, storage, and replacement of electrode pads to ensure optimal performance and hygiene.