diff --git a/src/replay/index.ts b/src/replay/index.ts
index adbb2822..09649289 100644
--- a/src/replay/index.ts
+++ b/src/replay/index.ts
@@ -69,6 +69,7 @@ export class Replayer {
       showWarning: true,
       showDebug: false,
       blockClass: 'rr-block',
+      liveMode: false,
     };
     this.config = Object.assign({}, defaultConfig, config);
 
@@ -157,6 +158,11 @@ export class Replayer {
     this.emitter.emit(ReplayerEvents.Resume);
   }
 
+  public addEvent(event: eventWithTime) {
+    const castFn = this.getCastFn(event, true);
+    castFn();
+  }
+
   private setupDom() {
     this.wrapper = document.createElement('div');
     this.wrapper.classList.add('replayer-wrapper');
@@ -424,8 +430,10 @@ export class Replayer {
         break;
       }
       case IncrementalSource.MouseMove:
-        // skip mouse move in sync mode
-        if (!isSync) {
+        if (isSync) {
+          const lastPosition = d.positions[d.positions.length - 1];
+          this.moveAndHover(d, lastPosition.x, lastPosition.y, lastPosition.id);
+        } else {
           d.positions.forEach(p => {
             const action = {
               doAction: () => {
diff --git a/src/replay/timer.ts b/src/replay/timer.ts
index 6dd7c3b3..68718656 100644
--- a/src/replay/timer.ts
+++ b/src/replay/timer.ts
@@ -45,7 +45,7 @@ export default class Timer {
           break;
         }
       }
-      if (actions.length > 0) {
+      if (actions.length > 0 || self.config.liveMode) {
         self.raf = requestAnimationFrame(check);
       }
     }
diff --git a/src/types.ts b/src/types.ts
index 14c043fe..41a9e3a2 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -241,6 +241,7 @@ export type playerConfig = {
   showWarning: boolean;
   showDebug: boolean;
   blockClass: string;
+  liveMode: boolean;
 };
 
 export type playerMetaData = {
diff --git a/typings/replay/index.d.ts b/typings/replay/index.d.ts
index cf4b7b31..92b08acd 100644
--- a/typings/replay/index.d.ts
+++ b/typings/replay/index.d.ts
@@ -22,6 +22,7 @@ export declare class Replayer {
     play(timeOffset?: number): void;
     pause(): void;
     resume(timeOffset?: number): void;
+    addEvent(event: eventWithTime): void;
     private setupDom;
     private handleResize;
     private getDelay;
diff --git a/typings/types.d.ts b/typings/types.d.ts
index aaa11c0f..57c53c19 100644
--- a/typings/types.d.ts
+++ b/typings/types.d.ts
@@ -192,6 +192,7 @@ export declare type playerConfig = {
     showWarning: boolean;
     showDebug: boolean;
     blockClass: string;
+    liveMode: boolean;
 };
 export declare type playerMetaData = {
     totalTime: number;