Description Affordable Large, bright display Heart rate monitoring Blood oxygen monitoring Sleep tracking Step counting Water resistance Bluetooth calling Music control Heart rate monitoring: The DT 900 Ultra can track your heart rate 24/7, so you can see how active you are and how well your heart is functioning. Blood oxygen monitoring: This feature can be used to measure the amount of oxygen in your blood, which can be helpful for tracking your overall health. Sleep tracking: The DT 900 Ultra can track your sleep patterns, so you can see how much sleep you’re getting and how well you’re sleeping. Step counting: This feature can help you track your daily steps and keep motivated to reach your fitness goals. Water resistance: The DT 900 Ultra is water resistant up to 5ATM, so you can wear it in the shower or pool. Bluetooth calling: The DT 900 Ultra can make and receive calls directly from your wrist, so you don’t have to take your phone out of your pocket. Music control: You can use the DT 900 Ultra to control music playback on your phone. Other features: The DT 900 Ultra also has a built-in camera, alarm clock, and calendar.