The Smart Chef Smart Food Scale is a wireless enabled, rechargeable, portable food kitchen scale designed to work as a multi-functional weighing scale for nutrition/macros/micros/protein/carbodrate/,fat calculation, drip coffee brewing, baking, object counting (counter scale) and more. The scale comes with a free USB charging cable and two free trays/bows/container. Google Search "smart chef food scale" to download the free app from Apple app store or Google Play store.