Fourth of July sale: Save an extra 15% off these items in the Mashable Shop

When our Founding Fathers adopted the Declaration of Independence some 243 years ago, they (probably) didn't intend for future generations of Americans to commemorate the momentous occasion with *checks notes* discounts on espresso and smart air conditioners. And yet here we are. 
Those items and more are currently on sale in the Mashable Shop, and you can lower their prices even further just by entering the coupon code FIREWORK15 at checkout to save an additional 15%. (Hustle, though — these limited-time savings will fizzle out faster than a Roman candle in the rain.)
This one's for you, John Adams: Read more... More about Tech , Gadgets , Fourth Of July , Mashable Shopping , and Shopping List