diff --git a/dist/index.cjs.js b/dist/index.cjs.js
index bde5d44..75986b6 100644
--- a/dist/index.cjs.js
+++ b/dist/index.cjs.js
@@ -2,13 +2,24 @@
 
 var parseXml = require('@rgrove/parse-xml');
 
+/// <reference types="cordova-plugin-ble-central" />
 class Updater {
     archiveURL;
     feedType;
-    constructor(archiveURL = "/", feedType = "atom") {
+    bleObject;
+    bleDeviceId;
+    _updaterServiceUUID = "71a4438e-fd52-4b15-b3d2-ec0e3e56193b";
+    _updaterVersionCharactersiticUUID = "1978a3df-c009-4837-b295-57ef429dde8c";
+    constructor(archiveURL = "/", feedType = "atom", bleObject) {
         this.archiveURL = archiveURL;
         this.feedType = feedType;
+        if (bleObject) {
+            this.bleObject = bleObject;
+        }
     }
+    /*
+    FEEDS
+    */
     async getRawArchive() {
         const res = await fetch(`http://cors.emaker.limited/?url=${this.archiveURL}.${this.feedType}`, {
         // "mode": "cors"
@@ -79,7 +90,7 @@ class Updater {
             if (elm.type == "element") {
                 const element = elm;
                 if (element.name == "item") {
-                    output.push(this.atomGetVersionDetails(element));
+                    output.push(this.rssGetVersionDetails(element));
                 }
             }
         });
@@ -93,6 +104,47 @@ class Updater {
             return this.rssGetArchive();
         }
     }
+    /*
+    BLUETOOTH
+    */
+    setDeviceId(id) {
+        this.bleDeviceId = id;
+    }
+    bytesToString(buffer) {
+        return String.fromCharCode.apply(null, new Uint8Array(buffer));
+    }
+    async readVersionNumber() {
+        return new Promise((resolve, reject) => {
+            this.bleObject.read(this.bleDeviceId, this._updaterServiceUUID, this._updaterVersionCharactersiticUUID, (rawData) => {
+                resolve(this.bytesToString(rawData));
+            }, (error) => {
+                reject(`Error: ${error}`);
+            });
+        });
+    }
+    async getLatestVersion() {
+        let feed = await this.getArchive();
+        let newestDate = feed[0].date;
+        let i = 0;
+        feed.forEach((item, index) => {
+            if (item.date > newestDate) {
+                newestDate = item.date;
+                i = index;
+            }
+        });
+        return feed[i].title;
+    }
+    async checkForUpdate() {
+        // read device value
+        const deviceVersion = await this.readVersionNumber();
+        // compare with latest version
+        const latestVersion = await this.getLatestVersion();
+        if (deviceVersion != latestVersion) {
+            return true;
+        }
+        // update
+        return false;
+    }
 }
 
 module.exports = Updater;
diff --git a/dist/index.d.ts b/dist/index.d.ts
index f054354..ea2f66d 100644
--- a/dist/index.d.ts
+++ b/dist/index.d.ts
@@ -7,11 +7,20 @@ export type versionNotes = {
 export default class Updater {
     archiveURL: string;
     feedType: string;
-    constructor(archiveURL?: string, feedType?: string);
+    bleObject: BLECentralPlugin.BLECentralPluginStatic;
+    protected bleDeviceId: string;
+    private readonly _updaterServiceUUID;
+    private readonly _updaterVersionCharactersiticUUID;
+    constructor(archiveURL?: string, feedType?: string, bleObject?: BLECentralPlugin.BLECentralPluginStatic);
     private getRawArchive;
     private atomGetVersionDetails;
     private atomGetArchive;
     private rssGetVersionDetails;
     private rssGetArchive;
     getArchive(): Promise<versionNotes[]>;
+    setDeviceId(id: string): void;
+    private bytesToString;
+    private readVersionNumber;
+    private getLatestVersion;
+    checkForUpdate(): Promise<boolean>;
 }
diff --git a/dist/index.es.js b/dist/index.es.js
index 4884f21..31645a1 100644
--- a/dist/index.es.js
+++ b/dist/index.es.js
@@ -1,12 +1,23 @@
 import { parseXml } from '@rgrove/parse-xml';
 
+/// <reference types="cordova-plugin-ble-central" />
 class Updater {
     archiveURL;
     feedType;
-    constructor(archiveURL = "/", feedType = "atom") {
+    bleObject;
+    bleDeviceId;
+    _updaterServiceUUID = "71a4438e-fd52-4b15-b3d2-ec0e3e56193b";
+    _updaterVersionCharactersiticUUID = "1978a3df-c009-4837-b295-57ef429dde8c";
+    constructor(archiveURL = "/", feedType = "atom", bleObject) {
         this.archiveURL = archiveURL;
         this.feedType = feedType;
+        if (bleObject) {
+            this.bleObject = bleObject;
+        }
     }
+    /*
+    FEEDS
+    */
     async getRawArchive() {
         const res = await fetch(`http://cors.emaker.limited/?url=${this.archiveURL}.${this.feedType}`, {
         // "mode": "cors"
@@ -77,7 +88,7 @@ class Updater {
             if (elm.type == "element") {
                 const element = elm;
                 if (element.name == "item") {
-                    output.push(this.atomGetVersionDetails(element));
+                    output.push(this.rssGetVersionDetails(element));
                 }
             }
         });
@@ -91,6 +102,47 @@ class Updater {
             return this.rssGetArchive();
         }
     }
+    /*
+    BLUETOOTH
+    */
+    setDeviceId(id) {
+        this.bleDeviceId = id;
+    }
+    bytesToString(buffer) {
+        return String.fromCharCode.apply(null, new Uint8Array(buffer));
+    }
+    async readVersionNumber() {
+        return new Promise((resolve, reject) => {
+            this.bleObject.read(this.bleDeviceId, this._updaterServiceUUID, this._updaterVersionCharactersiticUUID, (rawData) => {
+                resolve(this.bytesToString(rawData));
+            }, (error) => {
+                reject(`Error: ${error}`);
+            });
+        });
+    }
+    async getLatestVersion() {
+        let feed = await this.getArchive();
+        let newestDate = feed[0].date;
+        let i = 0;
+        feed.forEach((item, index) => {
+            if (item.date > newestDate) {
+                newestDate = item.date;
+                i = index;
+            }
+        });
+        return feed[i].title;
+    }
+    async checkForUpdate() {
+        // read device value
+        const deviceVersion = await this.readVersionNumber();
+        // compare with latest version
+        const latestVersion = await this.getLatestVersion();
+        if (deviceVersion != latestVersion) {
+            return true;
+        }
+        // update
+        return false;
+    }
 }
 
 export { Updater as default };
diff --git a/package.json b/package.json
index 0bac6fe..a37a3f6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "updaterweblibrary",
-  "version": "1.0.9",
+  "version": "1.0.10",
   "description": "OTA Updater App frontend library",
   "repository": {
     "type": "git",