Thank you for viewing! ^ ^ A Bluetooth-enabled scale with detailed body composition analysis. The Bluetooth function allows you to connect to your smartphone and easily manage your data. This was included when I purchased a smartwatch, and I am selling it because I don't use it. It is a new, unopened item. Batteries are not included. - Model Name: Scale 3 - Bluetooth Function: Bluetooth Edition - Body Composition Analysis: Detailed body composition analysis - Weight Measurement Function: Supports weight measurement - Supported OS: Android 6.0 or later, iOS 9.0 or later