Alexander, diagnosed 2004

Control-IQ TechnologyPredicts and helps prevent highs and lows

Bolus Delivery

Trying to keep your blood sugar in range can be stressful and time consuming. Our Control‑IQ advanced hybrid closed-loop technology offers unique features to better manage your diabetes.


Automatic Insulin Adjustments

Control-IQ technology decreases or stops basal insulin if readings from compatible continuous glucose monitoring (CGM)* are predicted to be low. It increases basal insulin if sensor readings are predicted to be high.


Automatic Correction Boluses

It can also deliver automatic correction boluses (up to one an hour) to help prevent hyperglycemia.


Activity Settings

Includes optional settings for Sleep Activity or Exercise Activity that adjust the range of treatment values.

Ethan and Olive with Pump

Goodbye Fingersticks

No fingersticks are needed for calibration when the pump is integrated with compatible CGM.

2.6 Hours

More Time in Range

Average additional time in range per day that Control-IQ technology study participants spent in range compared to sensor-augmented pump users.1

97% Easy to Use

Said it’s Easy to Use

Percent of clinical study participants who used Control-IQ technology on the t:slim X2 insulin pump and said it was easy to use.2

Don’t take our word for it!

Hear from people of all ages who have experienced the life‑changing benefits of Control‑IQ technology.


How it Works

Control-IQ technology is designed to help increase time in range§ using values from compatible CGM to predict glucose levels 30 minutes ahead and automatically adjusting insulin delivery every five minutes. Icons on the pump screen indicate when insulin dosing is increasing, decreasing, or being stopped by the system.

Sleep Activity with Dexcom G6 CGM

Freedom to Deliver

The t:connect mobile app frees you to bolus from your smartphone^ and stay informed of your diabetes management without touching your t:slim X2 pump. That increased flexibility means you can choose to wear your pump in more places.

Explore t:connect

Remote Software Updates

The t:slim X2 insulin pump is the first FDA‑cleared insulin pump capable of remote feature updates. Using a personal computer, you can keep your pump up to date with the latest technology during your pump’s warranty period.**

Stay Updated
t:simulator App

Mobile App

Try Our Pumps Free Virtual Demos

Test drive the easy-to-use interfaces of either Tandem Mobi or t:slim X2 automated insulin delivery systems, with no obligation.

Use Simulators



See what people are saying about the t:slim X2 insulin pump and how it is changing their lives for the better.

Read Stories
Infusion Set

Infusion Sets

Choose from a variety of cannula materials, tubing lengths, and insertion angles to fit your needs.

View Options


Pump Accessories

We offer a wide range of accessories to personalize your insulin pump and match your unique lifestyle.

Get Accessories

What's next?

Whether you're ready to get a Tandem insulin pump, or looking to check insurance coverage, you’ll find everything you need here.