The 9 in 1 Bluetooth scale in silver is a great piece of technology that has the most up to date technology in the fitness game. Featuring an advanced step-on technology and real-time updates through Bluetooth, this functional scale can help in weight management. If you want to lose weight or build musle, buy the 9 in Bluetooth scale to give yourself the best chance to reach your goal. Specifications Colour: Silver. Smart Weigh body fat analyzer. Gives readings of weight, fat, water, muscle mass, bone mass, BMI (Body Mass Index), BMR (Body Metabolic Rate), body age and visceral fat. Real-time updates through Bluetooth 4.0. Free downloadable KeepFit app to automatically track results with an Apple or Android device. Advanced step-on technology: gives weight readings immediately. Automatic shut-off to conserve energy. Unit button to switch between weighing modes. Large negative LCD display: shows readings with large visible numbers. Measurements can be read in three weighing modes: kilograms (kg), stones (st) and pounds (lb). Auto Recognition technology: can be programmed to automatically recognise eight people. Four contact sensors to identify each individual user’s profile, including height, age and sex. High precision strain gauge sensor. 6mm tempered safety glass platform. Automatic on/off. Low battery/overload indication. LCD display size: 73mm x 29mm with blue backlight. Weight capacity: 396lbs/180kg. Power: two 1.5V AAA batteries (not included). Compatible with: iOS devices (iPhone 4S and higher, iPad 3, iPad Mini or higher) and Android devices (Android 4.3 or higher) with Bluetooth 4.0 or a higher version.