Cubii Pro Under Desk Elliptical, Bluetooth Enabled, Sync w/Fitbit and HealthKit, Adjustable Resistance, Easy Assembly Cubii is the leading compact ergonomic elliptical to work out while you sit at home and office. Bluetooth enabled with the Cubii app to track your progress and sync to FitBit and Apple HealthKit Low impact on joints with 8 levels of resistance to increase your activity over time. Whisper quiet with a smooth gliding motion. Quick and easy assemble. 4 screws and you are done! Get Fit While You Sit, you can multitask with the Cubii to make exercise a breeze.