Under 18 years of age

Has not been diagnosed with type 2 diabetes for a minimum of 6 months

Is currently taking other diabetes medications in addition to metformin

Has taken other diabetes medications within the past 3 months

HbA1c \<7% or \>9%

BMI \> 30kg/m2

Unable to follow the study protocol

No access to telephone communications

Unable to read and write in English

Unable to maintain their health, or have undue stress

Skin abnormalities at the insertion sites that would confound assessment of the effect of the device on the skin

Allergy to adhesives

Any concomitant medical condition that would likely affect the evaluation of device performance

Taken oral or inhaled prednisone or cortisone medications in the previous 30 days

Using Continuous Glucose Monitoring to Understand the Glycemic Impact of Food