Smart app syncs with fitness app Already have millions of happy global users. USB rechargeable and works for a long-lasting time Renpho body fat monitor scale is USB rechargeable with a built-in lithium battery, enough for 2-3 months of use after full-charged. High accuracy Equipped with 4 auto-calibrated high-precision sensors for extreme accuracy, renpho body fat scale measures in increments of 0.2lb/0.05kg with 396lbs/180kg capacity. 4 sensitive electrodes, 5mm tempered glass platform. 13 essential measurements The smart scale shows body weight and data including BMI and body fat percentage, storing to the app. You can weigh yourself anytime without your phone. The data will sync to the app once it is connected again. Download renpho app in apple app/google play and renpho app works with Bluetooth 4.0 and above. One scale for unlimited users Renpho scale allows you and your family to share one scale together, track your progress with charts and graphs, see your trend and compared to achieve your goals. The app also support the baby mode that records the weight of children and pets. Start a healthy life with renpho smart scale now. RENPHO constantly strives to develop smart healthy products that are accessible to all by bringing them a happier life. There have been 13 million happy users choosing RENPHO worldwide.