Shopping for you by you. Helping customers by providing transparent pricing in stores. A portable, wearable solution. The solution to this problem is a device that joins the shopper on their shopping journey. This device is Agile. Agile tracks the products that the shopper is going to buy. While being on their person Agile detects the RFID tags on the products that the customer wishes to purchase and adds them to the total. Using a solenoid Agile can be fitted on any bag or clothing item.