This small health tracker is exceptional. Its battery life is outstanding, lasting five days or longer with daily use. The data it provides is highly accurate, including steps, blood pressure, and sleep tracking. It's comfortable to wear, though I'd prefer a fabric or leather band. The watch faces are numerous, easy to change, and offer good variety. Overall, it's a comfortable, accurate, lightweight, and durable tracker! It's easy to connect and surpasses more expensive, well-known brands of wrist devices.