One-stop health tracking digital scale with smart bluetooth technology, allows you to upload your measurements to the corresponding APR that can be downloaded on iOS or Android Smartphone or tablet. Features: Drive Type: Storage Battery Smart Bluetooth 4.0 technology Compatible with IOS or Android devices Auto power off design Low battery/over-load indication Metrics: (Note: metrics shown on the App may be differently on iOS and Android OS or different OS version and App version) Weight BMI Fat percentage Body fat weight Skeletal muscle mass percentage Skeletal muscle weight Muscle percentage Muscle weight V-fat Water Weight of water Metabolism (kcal/day) Specifications: Weighing Range: 0.2-180KG Minimum Precision: 0.1 KG Batteries: 2 AAA Voltage (V): 5V Dimension: 26 x 26 x 2cm Material: Stainless, glass Units of measurement: kg/lb/st:lb Care instructions: Never immerse into water. Simply wipe clean with warm cloth.