diff --git a/README.md b/README.md
index 91a35d5..81008a7 100644
--- a/README.md
+++ b/README.md
@@ -38,6 +38,7 @@ To build the **de facto standard for smart, wireless labeling** in embedded envi
 - **Firmware**: Zephyr RTOS / nRF Connect SDK (Nordic)
 - **MCU**: nRF52 and nRF54 Series (Build available for nRF54L15DK, nRF52840DK)
 - **Communication**: BLE Peripheral + NFC Wake
+- **BLE Profile**: Electronic Shelf Label (ESL) Profile - Bluetooth 5.4
 - **Display Driver**: eInk (GoodDisplay/Waveshare) over SPI
 - **Power**: Coin cell – optimized sleep/wake cycle
 - **OTA Support**: BLE
diff --git a/app/prj.conf b/app/prj.conf
index e7a3bfa..202a075 100644
--- a/app/prj.conf
+++ b/app/prj.conf
@@ -4,3 +4,21 @@
 # This file contains selected Kconfig options for the application.
 
 CONFIG_SENSOR=y
+
+# Bluetooth Stack Configuration
+CONFIG_BT=y
+CONFIG_BT_PERIPHERAL=y
+CONFIG_BT_DEVICE_NAME="PSLabel"
+
+# GATT Configuration
+CONFIG_BT_GATT_CLIENT=y
+
+# Bluetooth Controller - Extended Advertising (required for ESL)
+CONFIG_BT_CTLR_ADV_EXT=y
+CONFIG_BT_EXT_ADV=y
+
+# Periodic Advertising Sync (for ESL peripheral/tag role)
+CONFIG_BT_PER_ADV_SYNC=y
+
+# ESL (Electronic Shelf Label) Profile
+CONFIG_BT_ESL=y
diff --git a/west.yml b/west.yml
index 8304d31..8aba965 100644
--- a/west.yml
+++ b/west.yml
@@ -7,6 +7,8 @@ manifest:
   remotes:
     - name: ncs
       url-base: https://github.com/nrfconnect
+    - name: nordicplayground
+      url-base: https://github.com/NordicPlayground
 
   projects:
     - name: nrf
@@ -14,3 +16,7 @@ manifest:
       repo-path: sdk-nrf
       revision: v3.0.2
       import: true
+    - name: nrf-esl-bluetooth
+      remote: nordicplayground
+      revision: v2.5.1-stable
+      path: modules/lib/nrf-esl-bluetooth