Fitbit Sense moonwhite/soft goldFeatures: Display: AMOLED, scratch-resistant glass, always-on display integrated loudspeaker, integrated microphone, music player Fitness functions: optical heart rate measurement, distance measurement, training data acquisition, GPS route recording, swimming training function, sleep monitoring, determination of calorie consumption, pedometer General: Voice control possible/Amazon Alexa-compatible, GPS, temperature sensor, alarm function, vibration alarm, smart notifications, display of short messages, function extension via apps, display views changeable (watchfaces) Battery: Lithium-Polymer, maximum runtime up to 6 days Waterproof up to 50 m Colour: white/gold