Anker Eufy Smart Scale C1 (Body Composition Scale) [App Compatible / Fitbit Integration / Body Fat Percentage / BMI / Basal Metabolic Rate / Water Percentage / Body Fat Mass / Bone Mass / Visceral Fat] T9146 Black Brand: Eufy Color: Black Recommended Uses For Product: Weight Measurement Feature: Body Fat Display Type: Digital About this item: Measures 12 items: You can measure 12 basic body composition items such as weight, body fat percentage, BMI, and muscle mass. Supports Bluetooth connection: Connect to the app via Bluetooth and check your measurement data immediately within the app. Data synchronization with apps: You can manage your data collectively by syncing with Apple Health, Google Fit, and Fitbit. The dedicated app allows you to view data graphs and manage progress towards your goals. Register family data: You can register data for up to 16 people, so you can manage measurement data without worrying about the number of registered users, even for families or groups. *When you add members to the same account, everyone's measurement data will be shared. Package contents: Smart Scale C1, AAA alkaline batteries (x3), instruction manual