E300S is an Android intelligent version of high-precision RFID electronic scale of fast wireless company. based on Impinj read-write engine design, it fully supports electronic tags conforming to EPCglobal C1 Gen 2 ISO 18000-6C standard. the weighing platform adopts 3kg range weighing sensor, adopts high-precision special weighing chip, weighs the item weight through bluetooth WiFi or wired transmission, and confirms the item ID by combining RFID radio frequency technology dual identity. The design uses ultra-low power consumption intelligent control circuit, human-computer interaction uses a healthy disk, weighing value and RFID item ID identification association embodiment. It can be widely used in pharmaceutical, jewelry, laboratory, reagent warehouse, material industry and other application scenarios.