Square is a little plastic magnetic card reader that hooks into the headphone jack of your iPhone or iPod Touch. When you swipe a credit card through the device, it converts the card information ...

Square today launched Tap to Pay on iPhone to its millions of sellers across the U.S. Available within the Square Point of Sale iOS app, Tap to Pay on ...

Square’s $399 Handheld accepts tap-to-pay at your table. Square says the new portable card reader is ‘one of the thinnest and lightest’ POS devices on the market.

Square launches support for Tap to Pay on iPhone. You may like Square launches new portable point-of-sale handheld device that's barely bigger than a smartphone and there's even a 16-megapixel camera ...