Healthcare&WellnessMarketReviewsTechnologyWT | Member DFree, Connected Wearable Device, Tells You the Right Time to Go to the Bathroom By Sam Draper - 19. July 2018 Japanese company Triple W who developed DFree, the world’s first connected wearable device to track bladder movement, announced it is now taking pre-orders for the product. The elderly and the […] To access this page, watch the live stream and videos on-demand, you must purchase the Free Subscription, Premium Subscription or Premium Subscription (6 months, special rate).