Works with the iHealthTM Scale app, free at the App Store. Reads and records your weight on your mobile device. Wireless Bluetooth connection lets you weigh in from anywhere. Track your progress and organize records with simple, personalized graph tools. Share your maintenance or progress with healthcare providers and fitness buddies. Set target goals for weight management using the Milestone feature. Easily share one-time readings or long-term trends with friends, family or doctors. Supports multiple users on multiple mobile devices so family members can share it. Suitable for all ages. Easy step-on use. Visual displays are clear, colorful and easy to read.