diff --git a/manifest.webapp b/manifest.webapp
index 7acec9a..52418b7 100644
--- a/manifest.webapp
+++ b/manifest.webapp
@@ -1,5 +1,5 @@
 {
-  "version": "0.0.1",
+  "version": "0.0.2",
   "name": "RCVD",
   "description": "Casio BLE-enabled watches time synchronization app",
   "type": "certified",
diff --git a/rcvd.js b/rcvd.js
index a94a4d3..7dbbb69 100644
--- a/rcvd.js
+++ b/rcvd.js
@@ -1,5 +1,5 @@
 // RCVD.js: a small library for syncing time on BLE-enabled Casio watches
-// Tested on: GW-B5600BC, GMW-B5000D, OCW-T200S
+// Tested on: GW-B5600BC, GMW-B5000D, OCW-T200S, GM-B2100BD
 // Compatible with both KaiOS 2.5.x and in-progress Web Bluetooth API spec
 // Created by Luxferre in 2022, released into public domain
 
@@ -83,7 +83,7 @@ RCVD = (function(nav) {
 
     plgen = k => [...Array(6)].map((a,i)=>[k,i]), //property list generator
     cyclePresyncProperties = _ => new Promise((res, rej) => {
-      var plist = [[29,0], [29,2], [29,4]].concat(watchModel.indexOf('OCW')>5 ? [[30,0],[30,1]] : [...plgen(30),...plgen(31)]); //populate the props list
+      var plist = [[29,0], [29,2], [29,4]].concat((watchModel.indexOf('OCW')>5 || watchModel.indexOf('B2100') > 5) ? [[30,0],[30,1],[31,0],[31,1]] : [...plgen(30),...plgen(31)]); //populate the props list
       (function cycle() {
         var p = plist.shift()
         if(p) //we still have properties