Square's square readers go into a phone or tablet's headphone jack and let the device accept payments from a credit card. Its original model, anyway. The company has a new one that's rolling out to over 100 small business owners across the US starting today.

This new reader is as square as the old one, but it doesn't plug into an Android device. It's wireless and, instead, accepts payments through chip cards and NFC. That includes Android Pay. When you also consider PayPal Here's Android Pay support, this means you will soon potentially be able to make NFC payments at local bakeries, artisan stands, farmer's markets, and other small-scale businesses. For many of us, that's a necessary step in being able to leave the bulk of our wallet at home. Just look for your device phone in the lengthy list of supported devices.

Some of the first businesses to adopt Square's new reader reside in Atlanta, Austin, Boston, Denver, Los Angeles, Nashville, New Orleans, Miami, Minneapolis, Philadelphia, Phoenix, Sacramento, Santa Cruz, Seattle, Tampa, and Washington DC. Sellers can order the device at Square's website for $50.

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