The Fitbit Inspire 3 is a lightweight, waterproof fitness tracker with a color touchscreen that monitors heart rate, sleep, steps, calories, and blood oxygen (\(SpO_{2}\)). It features a 10-day battery life, connected GPS via a smartphone, and notifications for calls, texts, and apps. Key features include an always-on display option, a "Do Not Disturb" mode, and 21 exercise modes with 6 available on the device.