Stacy, diagnosed 2006
Control-IQ Technology
Designed to help increase time in range** by predicting and helping prevent both highs and lows.


Get Basal-IQ Technology for the t:slim X2 Pump Today. Update to Control-IQ Technology Later.

Purchase a t:slim X2 insulin pump today and you’ll get Basal-IQ technology. Then you can update your pump software to Control-IQ technology using a personal computer when it’s available this January.*

Less time low


relative reduction overall in sensor time below 70 mg/dL when clinical study participants used Basal-IQ™ technology.1


Easy to use


of clinical study participants said the Basal-IQ feature on the t:slim X2™ insulin pump was easy to use.1




required for mealtime dosing or calibration when using Dexcom G6 continuous glucose monitoring (CGM).


† If glucose alerts and CGM readings do not match symptoms or expectations, use a blood glucose meter to make diabetes treatment decisions.




The t:slim X2 insulin pump with Basal-IQ technology isn’t like other insulin pumps and this video highlights some of the key reasons why.

Watch Video >




How does Basal-IQ technology work?

The Basal-IQ feature uses Dexcom G6 CGM values to help reduce the frequency and duration of low-glucose events by predicting glucose levels 30 minutes ahead and suspending insulin if they are expected to drop below 80 mg/dL. Insulin delivery resumes as soon as sensor glucose values begin to rise.



The t:slim X2 Insulin Pump Upgrade Program is now available for non-Tandem pump users.

Learn more >


Technology you expect in a modern device.



Large color touchscreen

Easy to read, simple to use interface


Bluetooth Icon

Bluetooth® wireless technology

Modern connectivity for a modern world



Smallest Available Pump

Up to 38% smaller than other insulin pumps2



Watertight construction

Tested to 3 feet for 30 minutes (IPX7)



Rechargeable battery

Convenient charging via micro-USB port



Updatable software

Update features using a personal computer*



Integrated with Dexcom G6 CGM

Dexcom is known for exceptional accuracy and comfort. Benefits of the Dexcom G6 CGM system include:

  • Zero fingersticks
  • 10-day sensor wear
  • Simple auto-applicator
  • Acetaminophen blocking
  • View data on your smart device§
  • Share your data with up to 10 followers^


Don’t want to use CGM? No problem!

When CGM and the Basal-IQ feature are turned off, the t:slim X2 insulin pump removes the CGM chart and puts the Bolus and Options buttons in the center of the screen for easy access.



Reporting made simple

With just a few taps on your t:slim X2 insulin pump, you can view your insulin delivery and glucose history right on the bright color screen. You can also quickly upload your insulin delivery and CGM data from your pump using the t:connect® web application on either a Mac or a PC, and generate reports for more in-depth analysis with your healthcare provider.


So what's next?

Whether you're ready for a new pump, or you just want to try the simple touchscreen interface of the t:slim X2 insulin pump on your mobile device, everything you need is right here:


#1 Customer Support

At Tandem, we put as much effort into standing behind our products as we do into designing them. Our #1-rated3 Customer Support Team is available 24 hours a day, 365 days a year.

Contact Support at (877) 801-6901


* A prescription and additional training may be required to access certain future software updates. Offer only available to customers who reside in the United States, who are in warranty at the time they update their pump and who purchased a t:slim X2 insulin pump on or before December 31, 2020. Tandem may discontinue select software and features over time at its discretion. This is a limited time offer and Tandem reserves the right to discontinue this program at its discretion.
† If glucose alerts and CGM readings do not match symptoms or expectations, use a blood glucose meter to make diabetes treatment decisions.
‡ Dexcom G6 readings can be used to make diabetes treatment decisions when taking up to a maximum acetaminophen dose of 1,000mg every 6 hours. Taking a higher dose may affect the G6 readings. Dexcom G6 CGM sold separately.
§ Transmitter can only be paired with one medical device (either a Dexcom receiver or t:slim X2 pump) and one consumer device (phone or tablet) at the same time. Internet connectivity required for data sharing. To view a list of compatible devices, visit
^ Following your shared data requires the Dexcom Follow app. Internet connectivity required for data sharing. Followers should always confirm readings on the Dexcom G6 app or receiver (t:slim X2 pump) before making treatment decisions.
** As measured by CGM.

1. Forlenza GP, Li Z, Buckingham BA, Pinsker JE, et al. Predictive low glucose suspend reduces hypoglycemia in adults, adolescents, and children with type 1 diabetes in an at-home randomized crossover study: Results of the PROLOG trial. Diabetes Care. 2018;41(10):2155-2161.
2. 38% smaller than MiniMed 630G and 670G and at least 28% smaller than MiniMed 530G, Animas Vibe and Omnipod System. Data on file, Tandem Diabetes Care.
3. dQ&A USA Diabetes Connections Surveys, 2013-2018.