Speedy weight adjustments ; Excellent Alexa integration ; Space-saving design ; Helpful weight presets ; Manual control knob and digital weight readout ; Easy to set up and use

Bulky size prohibits some exercises ; Plates may become misaligned ; Voice control requires an Echo device ; No Google Assistant or Siri support

The NordicTrack iSelect Voice-Controlled Dumbbells are bulkier than traditional weights but save floor space and allow for quick and easy adjustments from 5 to 50 pounds using a knob or Alexa commands.

Unique and futuristic design ; Convenient and easy-to-use ; Effortless weight adjustment

A little pricey for the average user ; Weight plates fell off while working out ; Clunky plastic base ; Requires electricity and batteries ; iSelect app is confusing and poorly designed

The super-sleek NordicTrack iSelect voice-controlled dumbbells offer a glimpse at the future of at-home workouts, but the locking mechanism makes me nervous.

Alexa-compatible for hands-free adjustments ; Great for strength training at every level ; Streamlined design is well balanced ; Contoured steel knurl feels great in the hand ; Includes tablet/smartphone holder and storage tray ; Comes with 30-day iFit...

Premium price point ; Relatively bulky build ; Requires power outlet to change weight plates

At the end of the day, this is a premium product with a premium price point, and some may view voice activation as an extraneous feature when it comes to pumping iron. (Which it is.) But every second of every workout is valuable in my book, and if...