It's strength training reimagined, combining the best features of the #1 selling selectorized dumbbell in the world with cutting edge performance technology. Integrated Bluetooth tracking combines with the 3DT app to track weight, count reps, and sets and provide advanced video coaching to ensure perfect form every time.

• Integrated Bluetooth Smart technology syncs and records sets, reps, and weight
• Each dumbbell adjusts from 5lbs to 60lbs
• Free app with over 70 exercises, 6 week Challenge, journal, and more
• Simply turn the handle to select your weight
• Replaces and entire rack of dumbbells

Integrated Bluetooth Smart technology syncs and records sets, reps, and weightNautilus Domestic Ohio