Smart scale with Bluetooth® technology and SMARTRACK app. Estimates body fat, body water, and muscle mass percentages. Cal-Max? function.Goal setting and tracking feature. Normal/Athlete modes. 8 user memory. 11.8" x 11.8" tempered glass platform. 3" x 2" dual line readout. 400 lb capacity in 0.2 lb increments (lb/kg).