The Square Reader is a sleek and compact card reader that fits directly into the earphone jack of a mobile phone. With its white colour and the trusted brand of Square, this accessory is not only practical but also stylish. Perfect for on-the-go use, it allows users to easily read and process card payments with their smartphones, making it a convenient tool for businesses or individuals who need to accept payments wherever they are. Its innovative design and reliable performance make it a valuable addition to any mobile phone setup.