The TimeWalker Urban Speed e-Strap is a sleek digital band that allows you to combine technology with a classic timepiece. The TimeWalker Urban Speed e-Strap has a discrete OLED touchscreen for directly on the strap, which works with the TimeWalker Urban Speed Chronograph luxury timepiece. The strap can track calories burned, steps, distance and ping your smartphone via low energy Bluetooth. Gentle vibrations alert you to notifications from your phone such as text messages, calls, and emails. The e-Strap is compatible with Samsung Galaxy phones, selected Android phones, and iPhone 4S and above. The e-Strap is presently unavailable for purchase, but is estimated to retail for $300, not including the timepiece which range from $3,000 to $6,000.