Perifit utilizes non-ionizing Bluetooth Low Energy waves from its probe, which remains outside of the body at all times. Bluetooth Low Energy (BLE) technology allows for the transmission of information from your probe to your smartphone using very minimal waves. This technology is commonly used in the healthcare sector for wireless sensors, including heart monitors, glucose meters (for measuring blood sugar levels), and oximeters (for measuring blood oxygen levels). It is also used in everyday connected devices such as Apple watches or fitness trackers. Bluetooth Low Energy, used in Perifit, emits on average 3 times lower emissions than standard Bluetooth.