1. Introduction
The Square Reader for contactless and chip (2nd Generation) is a versatile payment device designed to accept various forms of payment, including EMV chip cards, Apple Pay, Google Pay, and other NFC contactless payments. It connects wirelessly to your iOS or Android device via Bluetooth LE, providing a seamless and secure transaction experience for your business.

The Square Reader allows for quick and secure contactless payments by tapping a compatible card or mobile device.
2. Key Features
- Versatile Payment Acceptance: Accepts contactless payments (NFC), EMV chip cards, Apple Pay, and Google Pay.
- Wireless Connectivity: Connects seamlessly to iOS and Android devices via Bluetooth LE for improved connectivity and stable pairing.
- Long-lasting Battery: Enhanced battery life to support a full day of transactions.
- Offline Payments: Continue taking payments for up to 24 hours even without an internet connection.
- Integrated Ecosystem: Works with the free Square Point of Sale app, Square for Restaurants, Square for Retail, and Square Appointments.
- Security: Features data security, 24/7 fraud prevention, and payment-dispute management at no extra cost.
- Fast Transfers: Funds are typically transferred to your bank account in one to two business days, with instant transfer options available for a small fee.
3. Setup Guide
Follow these steps to set up your Square Reader and begin accepting payments:
- Charge the Reader: Ensure your Square Reader is fully charged before first use. It comes with a built-in Lithium Ion battery. Connect the reader to a power source using a compatible USB-C cable.
- Download the Square Point of Sale App: Download the free Square Point of Sale app from the Apple App Store (for iOS devices) or Google Play Store (for Android devices).
- Pair with Your Device:
- Open the Square Point of Sale app on your smartphone or tablet.
- Navigate to Settings > Hardware > Square Readers.
- Tap Connect a Reader.
- Press and hold the power button on your Square Reader until the four LED lights begin to flash blue.
- Select your Square Reader from the list of available devices in the app.
- Once connected, the LED lights on the reader will turn solid green.

A visual guide to the initial setup process for the Square Reader, detailing the three essential steps.
4. Operating Instructions
4.1 Accepting Contactless Payments (Tap)
For contactless payments (NFC), such as Apple Pay, Google Pay, or contactless cards:
- Enter the transaction amount in the Square Point of Sale app.
- Tap Charge.
- Instruct the customer to hold their contactless card or mobile device near the contactless symbol on the Square Reader until the four green lights illuminate and a confirmation sound is heard.

Demonstration of a contactless payment using a mobile device and the Square Reader, integrated with the Square Point of Sale application.
4.2 Accepting Chip Card Payments (Dip)
For EMV chip card payments:
- Enter the transaction amount in the Square Point of Sale app.
- Tap Charge.
- Instruct the customer to insert their chip card into the slot on the front of the Square Reader, chip-first and face-up.
- Leave the card in the reader until the transaction is complete and the app prompts you to remove it.

For chip card transactions, insert the card into the designated slot on the Square Reader.
4.3 Offline Payments
The Square Reader supports offline payments, allowing you to continue processing transactions even without an active internet connection. Transactions taken offline will be processed automatically once your device reconnects to the internet. Ensure you reconnect within 24 hours to avoid payment expiration.
5. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 2.65 x 2.65 x 0.43 inches |
| Item Weight | 5.9 ounces |
| Batteries | 1 Lithium Ion battery required (included) |
| Connectivity Technology | Bluetooth LE |
| Compatible Devices | iPhone, Android smartphones and tablets |
| Power Source | Battery Powered (USB-C charging) |
| Manufacturer | Square |
| Country of Origin | Vietnam |

This image displays the top surface of the Square Reader, featuring the contactless payment symbol and LED indicators.
6. Troubleshooting
If you encounter issues with your Square Reader, try the following common solutions:
- Reader Not Connecting: Ensure Bluetooth is enabled on your device. Try restarting both your device and the Square Reader. Re-pair the reader through the Square Point of Sale app settings.
- Payment Not Going Through: Check your internet connection. Ensure the card is inserted correctly (chip-first, face-up) or tapped properly over the contactless symbol. Verify the card is valid and has sufficient funds.
- Battery Issues: If the reader is not charging, try a different USB-C cable or power adapter. Ensure the charging port is clean and free of debris.
- App Freezing/Crashing: Ensure your Square Point of Sale app is updated to the latest version. Try force-closing and reopening the app, or reinstalling it if the issue persists.
For more detailed troubleshooting or persistent issues, please refer to the official Square Support website.
7. Maintenance
To ensure the longevity and optimal performance of your Square Reader:
- Cleaning: Use a soft, dry, lint-free cloth to clean the exterior of the reader. Avoid using abrasive cleaners, solvents, or sprays directly on the device.
- Storage: Store the reader in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: Handle the reader with care. Avoid dropping it or exposing it to excessive force, moisture, or dust.
8. Warranty and Support
The Square Reader for contactless and chip (2nd Generation) is manufactured by Square. For information regarding product warranty, returns, or technical support, please visit the official Square Support website or contact their customer service directly. You can find comprehensive guides and FAQs on their support pages.
Official Square Support: https://squareup.com/help





