Eufy by anker, smart scale c1 with bluetooth, body fat scale, wireless digital bathroom scale, 12 measurements, weight/body fat/bmi, fitness body composition analysis, black/white, lbs/kg. holistic health: instantly learn 12 insightful measurements of your body's health, such as weight, body fat, bmi, bone mass, muscle mass, and more. use with 3rd-party apps: track your measurements on apple health, google fit, and fitbit. accuracy improved by 10%: two pairs of super-sensitive g-shaped sensors ensure more precise measurements compared to other sensor types. for the whole family: track the health trends of up to 16 users from one account, and the large led display is easy to read for all ages. what you get: smart scale c1, aaa batteries x3, quick start guide, user manual,