Features: Sync Data with Ease: Connect the smart digital body tape to the app via BT for hasslefree data syncing.  Instantly Record and Track Data: After finishing measuring by using the body measurement tape, short press the "√" button to confirm the measurement and send it to the APP, the BT icon on display will flash twice. Accurate & Full Body Measurements: Smart tape measure Features a retracting button and pin lock to help you get accurate measurements of your body parts. 3 body parts measurements are available in the app. You can quickly get your waisttohip ratio with precision, which helps you find out your body shape and better choose the garment that best suits you and highlights your body. Two Units and Measure Modes: The digital rolling tape measure both inches (Max: 60 " " ) and centimeters (Max:150 cm) in length and circumference. Short press the "M" button to switch the unit between inch and cm. Compact and Portable: Smart body measure tape is lightweight and compact, making it easy to carry in your gym bag or luggage, ensuring you can measure and track your body changes wherever you go. Specifications: Color: Pink Blue (Optional) Material: PC + ABS Unit: cm in Accuracy: 2‰ Resolution: 0.1cm Measuring Range: 2~59inch (5~150cm) Working Temperature: 0 celsius ~50 celsius 32 Fahrenheit ~122 Fahrenheit Working Humidity: less than 85% Battery: CR2032 lithium coin battery Battery Capacity: 240mA Item Size: 70 * 58 * 21mm 2.75 * 2.28 * 0.83in Item Weight: 61g 2.15oz Package Weight: 98g 3.45oz Package Size: 12 * 9 * 4cm 4.72 * 3.54 * 1.57in Package List: 1 * Digital Tape Measure 1 * User Manual (English)