JaxJox KettlebellConnect has adjustable weight

12 – 42 lbs (5 – 19 kg) Kettlebells in one unit

Kettlebell exercises build strength and endurance in the lower back, legs, and shoulders, and increase grip strength. Depending on your level of strength and the type of exercise you would need different weights for it.

Instead of having a few kettlebells of different weights that take up valuable space in your small apartment or room, it's helpful to have just one with variable weights like the JaxJox KettlebellConnect.

At the press of a button you can choose either 12, 18, 24, 30, 36, or 42 lbs (6 lbs increments) to suit your needs. To change the units to kg you press the two + and – buttons at the same time for about 3 seconds.

The KettlebellConnect has an ergonomic wide grip handle to provide maximum comfort, allowing you to perform an array of exercises from strength to cardio.

At $299, you don't want to drop the KettlebellConnect but you don't have to worry if you do because it can withstand a drop from quite high. However, if you do break it from dropping, JaxJox will replace it if it is within the 1 year warranty period.

The KettlebellConnect has a 3 axis gyroscope and a 3 axis accelerometer that are used to track movement. It also has Bluetooth 4.0 for you to connect to your smartphone and sync your data to the JaxJox App.

Battery life for the KettlebellConnect is about 14 hours which should last for about 2 weeks of normal usage. It takes 3 hours to fully charge the device from zero. Usually you don't have to worry about battery life because it's likely you'll keep it connected to a power source.

JaxJox App (Free for iOS and Android)

If you connect the Kettlebell to the JaxJox App (via bluetooth), it keeps track of you reps, sets, weight, workout time, power generated, and intensity. You can also sync your Fitbit and Apple HealthKit data to the JAXJOX App and track performance in one location.

The AI-powered Fitness iQ® can then gauge how fit you are by using your peak and average power, heart rate, workout consistency, steps, body weight, and your chosen fitness level. The Fitness iQ is based on the American College of Sports Medicine’s recommendation for fitness.

You can also stream guided workouts in the JaxJox app to help you reach your fitness goals.

The JaxJox KettlebellConnect can keep track of up to 9 users so you can share it with a family member or housemate.


CNET: JaxJox KettlebellConnect review: Six-in-one smart kettlebell gets you ripped and saves space too

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  • Saves space compared to 6 kettlebells
  • Tracks your usage
  • Integration with Fitbit and Apple Healthkit
  • Access to guided workouts
  • Free App


  • Bulky
  • Expensive
  • Weights rattle inside the casing
  • Does not detect your form or technique
  • No option for heavier weights


The JaxJox KettlebellConnect is normally priced at $299 (used to be $349) but on special occasions like Black Friday you can get it for $199.

The normal price of $299 might seem expensive but compared to a randomly selected kettlebell, the Yes4All Vinyl Coated Kettlebell, which has a total price of about $187 for 6 kettlebells of same weights you get from the KettlebellConnect, the price seems fair considering the technology involved. At $199, the KettlebellConnect is a steal.

Also, the Kettlebell Connect takes 6 times less space than conventional kettlebells and has an app that can help you reach your fitness goals.

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