The Yunmai Smart Scale is a Bluetooth LED personal scale that can be connected to your smartphone or tablet using the free YunmaiHealth app (iOS/Android). Create different profiles for up to 16 people. Track your weight and BMI values daily and set your personal weight goals. The Yunmai scale, a partner in the Xiaomi Ecosystem, features a built-in rechargeable battery (charging cable included). The user manual is available in multiple languages, including English, German, French, Spanish, Portuguese, Turkish, Russian, Chinese, Korean, Japanese, and Arabic.