This smart digital bathroom scale uses BIA technology to measure 20 body metrics including weight,BMI,body fat,muscle mass,heart rate,bone mass and BMR.It has a 4.68-inch large LCD display,syncs data via Bluetooth to fitness apps,offers high-precision sensing with 400lbs max load,supports multiple user profiles and offline weighing for family health tracking. | Luckbyte | | Smart Digital Bathroom Scale BMI Body Fat Heart Rate Bluetooth App Sync 400lbs Capacity | Black | Best Buy