Amazon.com : NordicTrack 50 Lb iSelect Adjustable Dumbbells, Works with Alexa, Sold as Pair : Sports & Outdoors

The NordicTrack iSelect 50-pound adjustable dumbbells are a revolutionary step forward in home fitness technology. By combining traditional weightlifting gear with Alexa voice controls, the iSelect adjustable dumbbell set offers convenient, automatic weight adjustment for a smooth workout at home. Download the iFIT app* to stream trainer-led strength and conditioning workouts that guide your exercise and help you achieve your fitness goals.

iFIT experience shown. After 30 days, iFIT auto-renews at then-current rate, plus tax, unless canceled in advance. Credit/debit card required for activation. Stand, tablet, and device with Alexa not included; 2.4GHz WiFi and Internet required for iFIT membership and Alexa voice control.