The world's most advanced health and fitness tracker. Everyone has had a life-changing experience sometime. This is one of those times. UP3 is simply the most advanced tracker you can buy. Its classic, durable design will stand the test of time. Multi-sensor technology adds breadth and accuracy to Smart Coach. Everything about UP3 says that the bar has been set higher. Wear one and go further. Heart health monitoring throughout the day Get personalized guidance from Smart Coach Advanced sleep tracking automatically to capture REM, Light and Deep Smart Alarm silently wakes you at the optimal time in your sleep cycle Syncs. Color: Teal.