Garmin Forerunner 965 Running Smartwatch has a pulse ox sensor to check blood oxygen saturation, it can track your body’s energy levels. See your health and fitness information, connect with friends and more. Get superior positioning accuracy and optimized battery life. Receive emails, texts and alerts on your watch. Get alerts to know how you’re performing and even be guided through workouts. Comes in 47.2 mm size and carbon grey dlc titanium bezel with black case and black/powder grey color.