[gallery]The Oyster card, London’s electronic travel card system, is something synonymous with natives and visitors alike. It's a handy card that gives you flexibility with your journeys around the city, and saves you money at the same time. Equipped with RFID, it allows travelers to jump on London tube trains, buses, trams and many regular train services without having to take out any cash. Designer Benjamin Parton thought it was time for a redesign- something fun and memorable with improved functionality. The Oi is a wearable oyster card that can be worn as a ring or “watchstrap widget.” Oi uses the same radio-frequency coil infrastructure as the existing Oyster cards and the final product can be bent and twisted without damaging the internal components and is also unaffected by interference from other radio frequency devices.
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