What we like to think of as the next incarnation of jumping rope, the Bluetooth-enabled sensored Smart Rope is the quickest way to kick your warmups up a notch. Power it up, start jumping, and track your cardio goals (jumps, calories, time)—because yes, there is an app for that. Bonus: You can even sync it with your Apple Watch and compete with friends.

• Plastic
• Connects to free Smart Gym app
• 2 hours of charge for 24 hours of use
• Adjustable rope length