Here is another smartphone compatible exercise bike that lets you get active at work. The Ergonomyx Under-Desk Bike connects to you iPhone or Android device wirelessly to track calories burned, distance traveled, and workout intensity. Its display is user powered, so you won’t need to plug in the bike.
This under desk bike has a height adjustable seat. It can handle up to 110kg of load. It has a dual core Bluetooth/WiFi microcontroller built-in.[where to get it]