【Now Supports Bluetooth 5.0】 【Ultrathin design with slim body】product uses high-precision manganese steel sensor, which can accurately sense the change from subtle to 50g. Every cup of water you eat and drink can be easily quantified, and three units of measurement are provided. Choose to effectively help you fine-tune your weight data. 【It is just 14.75mm thick】 It is so slim that you can store it anywhere 【Hidden LED display】It is powered by 4 x AAA battery ( not included ) 【When you weigh yourself, the number will appear clearly, Support Android 4.4 / iOS 8.0 and the higher version】