Open the Square app and navigate to Settings>Hardware>Square Card Readers. Once you’ve reached this point, click the power button on the card reader, triggering it to enter pairing mode.

Once you sign in to your Square account, click on your name and select "Get a Card Reader" from the list of options. Enter your shipping address and submit the form.

The magstripe reader works for credit card swipes, and the first one is free with sign-up. There’s also a Square reader designed for contactless and chip payments, starting at $49 per device.

The Square Reader for chip and contactless (2nd gen) is just $44.43 at Amazon, down from the normal price of $58.99. That's a 25% discount. This deal applies to Amazon Prime members.

Square offers an array of mobile and stationary POS hardware options, ranging from a quarter-sized reader that plugs into your phone, to a register with two touch screens, as well as hardware ...

You can start using Square with its free, quarter-sized card reader that connects to smartphones. Clover doesn’t offer any free hardware options, and its card reader alone costs $199.

Download the Square POS mobile app (iOS or Android) and ensure you have the latest version. Sign in to your Square mobile app. Connect your mobile card reader to accept tap, dip, and swipe payments.