Stripe Reader M2

Learn about the Stripe Reader M2 Bluetooth reader.

Available in:

The Stripe Reader M2 is a small, robust reader for use with mobile applications. It uses Bluetooth Low Energy (LE) or USB (Android only) to connect to the Stripe Terminal SDK on a mobile device.

This reader is compatible with our iOS, Android, and React Native SDKs. To view the reader’s parts and features, see the Stripe Reader M2 product sheet.

LED status lights

The LEDs on top of the reader show the current status.

LED icon meanings

Use this table to understand what the icons in the subsequent tables indicate.

Icon	Meaning
	The light is on.
	The light is flashing.
	The light is off.

Battery and charging status

When the Stripe Reader M2 is on, you can press and release the power button once to check the battery level. Learn more about Stripe M2 battery life.

LEDs	Meaning
	Full charge
	75% charge
	50% charge
	25% charge
	(flashing) Charging

Connectivity and reader status

When you connect to the Stripe Reader M2, you can check the LEDs for the reader status.

LEDs	Meaning
	(Scanning back and forth) Reader is on and awaiting a Bluetooth or USB connection
	(flashing, three times) Reader is connected to Bluetooth or USB
	Reader is in bootloader mode
	Reader is in standby mode
	(flashing, every 0.1 seconds for 30 seconds) Reader tampered
	(30 seconds) Reader integrity check failed

Reader software releases

The software on the Stripe Reader M2 consists of a firmware version, configuration name, and key identifier. The reader software version joins these three components with underscores into a single string.

Latest Version
`2.01.00.35-SZZZ_Prod_US_v12-480001`

Firmware versions

Note

In PCI listings, the firmware identifier is in the format CHB3x.<batch>-xxxxx, where xxxxx is a placeholder for all firmware versions. All firmware versions are PCI compliant.

Specifically, a PCI firmware ID ABCDD maps to firmware version AA.BB.CC.DD. For example, CHB3x.01-21021 maps to firmware version 2.01.00.21.

Version	Release Date	Description
`2.01.00.38`	`2025-09-10`	General bug fixes and improvements. Updated the LED light sequence to scan back and forth when the device is powered on and waiting for a bluetooth or USB connection, and reliably clear when the connection is established.
`2.01.00.36`	`2025-07-21`	General bug fixes and improvements.
`2.01.00.35`	`2025-06-24`	General bug fixes and improvements.
`2.01.00.31`	`2025-04-30`	Added a new “NFC UID” configuration that can be passed with the `Terminal.collectData` method. Use this configuration to fetch the UID of an NFC instrument, such as a wristband or key card. Improved transaction performance for contact and contactless transactions. Added support for Domestic Debit partial AID matching. Fixed NFC card detection issues that occurred during standby mode. Fixed USB driver issues. General bug fixes and improvements.
`2.01.00.21.szzz.01`	`2024-11-04`	Bug fixes and improvements.
`2.01.00.21`	`2024-05-22`	Fixed an issue where repeatedly pressing the power button causes a Bluetooth disconnect. Fixed a Bluetooth initialization error that can cause Bluetooth connection timeout. Fixed a bug that prevented Tag DF841A from disabling the Clear Bluetooth link key feature. Modified the YiChip Bluetooth library to fix a problem that occurs when Bluetooth continuously communicates for a long time, resulting in timeouts and disconnects. Modified JCB CDA Signature Verification requirement according to EMV Bulletin No. 290. Fixed an issue where ICC transactions can terminate due to incorrect ICC Rx length checking. Updated the MH1901H crypto library.
`2.01.00.20`	`2023-10-24`	Bug fixes and improvements.
`2.01.00.17`	`2023-04-17`	Bug fixes and improvements.
`2.01.00.16`	`2022-10-17`	Bug fixes and improvements.
`2.01.00.15`	`2022-03-17`	Bug fixes and improvements.
`2.01.00.05`	`2021-07-01`	The initial firmware version available for this device.

Configurations

Name	Release Date	Description
`SZZZ_Prod_US_v12`	`2025-04-30`	Updates production configuration for this device.
`SZZZ_Prod_US_v10`	`2024-02-29`	Updates production configuration for this device.
`SZZZ_Prod_US_v5`	`2023-04-17`	Updates production configuration for this device.
`SZZZ_Prod_US_v1`	`2021-11-03`	Updates production configuration for this device.
`SZZZ_Test_US_v6`	`2021-07-01`	The initial configuration available for this device.

Key identifiers

Identifier	Release Date	Description
`480001`	`2021-07-01`	The initial key identifier available for this device.

Accessories for the reader

You can use the Stripe Reader M2 with an optional dock for countertop checkout, or an optional mount for roaming checkout.

You can also design your own accessories for the Stripe Reader M2. To download the Stripe Reader M2 mechanical design files (.STP), you must first review and accept our Terminal Design File License Agreement. By downloading the file below, you agree to the terms outlined in the license.

Download Stripe design files