Here is a pair of smart adjustable dumbbells that you can control with your voice commands. The NordicTrack iSelect Adjustable Dumbbells can be adjusted from 5 to 50lbs. You can ask Alexa to set weight to a specific amount, increase/decrease weight, and set weight presets for specific exercises.
These dumbbells come with a storage tray with an integrated tablet holder and a smooth weight adjustable dial for manual adjustment. This set replaces 20 dumbbells. It is ready for iFit training.