Meet Slate: a smart scale that helps you keep your diet on the right track. It connects to your smartphone via Bluetooth and lets you track calorie intake, food weight, fats, protein, and carbs on your smartphone. The device is easy to use. Just turn the device on to sync with your phone, place your food items on it, and the data shows up on your phone.
Slate is lightweight and portable. The battery life lasts up to a month. It has 1 kg capacity and a large food database. The device is compatible with iOS and Android devices. More information is available here.