Special functions for outdoor athletes (Route Target Workout, Track Back, Turn by Turn Navigation) Multi-faceted functions for a conscious and healthy lifestyle Google Wear OS for access to a wide range of apps Up to 80 hours of battery life1 and very short charging time thanks to fast charging function2 Water-resistant up to 5 ATM3 The device dimensions do not include the BioActive Sensor. The specified weight refers only to the housing without taking the wristbands into account. The actual device dimensions or the actual weight are slightly higher. 1 Battery life achieved in internal tests. With continuous use of GPS tracking, the battery life is up to 20 hours. Please note that factors such as display brightness, display content, frequency of use and cellular network as well as Wi-Fi, Bluetooth and GPS reception quality may affect battery life. 3 Provides water protection up to 5 ATM according to ISO standard 22810. Not suitable for activities such as jumping into the pool, sport diving, water skiing or similar water activities with high speed and/or activities in deep water.