For example, smart glasses, provide vision picking capabilities by combining the best attributes of voice and RF picking into a heads up display that the operator can always see. This allows the user to have both hands free. The information is displayed in the natural vision field which eases the work for pickers and helps increase performance. This technology can also be used as a scanner or in combination with a ring scanner. The use of the wearables in a Ryder customer’s warehouse decreased the time it took to pick and scan inventory by five seconds per item and improved efficiency by 20 percent. Through additional applications, wearables have also reduced training time.