Square's contactless and chip reader connects by Bluetooth LE and allows you to connect wirelessly to an iPhone or iPad. Learn more here.
Square Card Reader Payment Reader for Small Businesses
Square Reader for Contactless and Chip Troubleshooting
Square - A-SKU-0047 Reader for magstripe (with headset jack) : Office Products
6 best Square alternatives compared for payments
Square Contactless and Chip Reader in the U.S.: Getting Started Guide
Best Credit Card Readers for iPhone & iPad
How to print from iPhone, iPad with or without AirPrint - 9to5Mac
Card Reader, Debit and Credit Card Reader
Clover Go: Mobile Credit Card Reader for Phone