Body Fat Scale, Bluetooth 4.0 Smart Digital Body Composition Analyzer, 400 lbs, 70 Data Points, High Precision, Compatible with Android and iOS 【High Precision Sensor & BIA Technology】 4 high-precision sensors offer superior accuracy and sensitivity. Automatic calibration, measures in 0.01kg / 0.02lb increments, supports weights up to 180kg / 396lb. 2 measurement units: lb / kg. 【Easy to Use】 Bluetooth 4.2 features a low-power chip. Simply step on the scale for quick readings. Automatic connection, auto-recognition, auto on/off, auto zero reset, auto calibration with low battery and overload indicators. 【70 Body Composition Analysis】 70 health indicators provide accurate data for weight, BMI, body fat percentage, visceral fat, body water, skeletal muscle percentage, muscle mass, bone mass, protein, BMR, and body age. Understand yourself better starting today. 【Safety & Comfort】 The transparent tempered glass platform offers exceptional robustness; the internal lithium battery is rechargeable via USB, making it durable and convenient. Clear LCD display for easy use. 【App Compatibility】 Download the APP by scanning the QR code on the bottom of the body fat scale. Compatible with iOS 8.0 / Android 4.3 / higher, Bluetooth 4.0. It's especially perfect for bodybuilders, weight loss enthusiasts, and teenagers, etc.