Mobile payments company Square has signed a deal with AT&T to sell its Square card reader in more than 1,000 of the operators US retail stores.
The Square dongle, which can be attached to mobile devices using the headphone jack, is used in tandem with an app to enable smartphone owners to accept credit card payments on their mobile.
Itll be sold at an RRP of $9.95, offset by a $10 rebate for new users. 
“AT&T stores are a convenient retail destination for purchasing Square card readers, offering entrepreneurs the ability to purchase all of the devices they need to run their business in one place,” says Jeffrey Kolovson, head of retail distribution at Square. “Square makes it easier than ever for businesses to get started and grow using only their mobile device.”
