Garmin Venu® 4 - 41mm Lunar Gold with Bone Silicone BandDesigned to support your goals, the Venu 4 GPS smartwatch is purpose built with advanced features to help you better understand your body and promote a healthier lifestyle. And with up to 10 days of battery life on the 41 mm model and up to 12 days on the 45 mm model, get a more complete picture of your health. 24 7 Health Monitoring Make improvements toward a healthier lifestyle with extensive health monitoring features, including: Body Battery