The smart band Trevi detects and displays the  data related to physical activity , such as heartbeat, blood pressure, oxygenation, distance, calories burned, and distance traveled and keeps them in memory for a maximum of 7 days. By connecting  Bluetooth , it connects to your smartphone and, in comfort, you can synchronize the data collected from the cuff cardio dedicated app.

The device is has sensor PPG (fotopletismografico) , useful for providing heart rate data. Through this optical sensor located on the back of the cuff, it is also measured the level of oxygen saturation in the peripheral blood.

With degree of protection  IP67 , T-FIT 220 HB is  water resistant . It is powered by a  battery Lithium , rechargeable input via  USB .