Cover-more Global SIM card

I'm traveling to the US soon and recently got an email for Cover-more's Global SIM card. Anyone have any experience or done any research on it?

Website shows:

• Data: $.60/MB
• Local calls within US: $.61/min
• US to AUS calls: $.62/min

http://www.globalsim.covermore.com.au/

The marketing blurb is:

As a valued Cover-More Travel Insurance customer, the next time you choose to travel with us, we’ll provide eligible customers with a FREE Global SIM card. The Cover-More Global SIM will give you access to cheap calls, SMS and data while overseas. No longer do you need to leave your mobile at home. You can stay connected to your family and friends, social media and take advantage of having access to data while you roam. Our SIM is compatible with most recent mobiles and tablets and being a prepaid service, you are in complete control of how much you spend.

Features:
• Huge savings on standard International roaming charges
• Pre-paid so you are in control on how much you spend
• Works in the majority of new phones and tablets
• No hidden charges or minimum spends
• SMS credit update after each call
• Works in over 100 countries

The best feature is that it’s FREE with your travel insurance. So make sure next time you travel, you take the travel insurance policy that allows you to roam for less. For more information about this offer including eligibility criteria, visit covermore.com.au/about-global-sim