For dieting For health management First, let's measure your body! RENPHO Smart Body Measure, RENPHO Smartphone-linked Measuring Tape, Automatic Retraction, 1.5M, for Dieting, Measures for Metabolic Syndrome, Sewing Measure, Measurement Results Display on Display, Double-sided Scale, Measuring Tape, Dedicated App for Health Management, Automatic Data Graphing, Bluetooth Compatible, Body Circumference Measurement You can manage measurement data with the app. This is a new, unopened product.