diff --git a/src-tauri/src/commands/audio.rs b/src-tauri/src/commands/audio.rs
index 1dd325b..63c9a7f 100644
--- a/src-tauri/src/commands/audio.rs
+++ b/src-tauri/src/commands/audio.rs
@@ -21,7 +21,10 @@ use ringbuf::{
 };
 use tauri::State;
 
-use crate::{commands::config::ConfigState, crypto::SessionCipher};
+use crate::{
+    commands::config::{BackendConfig, ConfigState},
+    crypto::SessionCipher,
+};
 
 const TARGET_SAMPLE_RATE: u32 = 48_000;
 const PACKET_SAMPLES: usize = 960;
@@ -57,6 +60,8 @@ pub struct VoiceSession {
 
     pub producer_in: AudioProducer,
     pub consumer_out: AudioConsumer,
+
+    pub backend_config: Arc<Mutex<BackendConfig>>,
 }
 
 fn resolve_input_device(device_name: &Option<String>) -> Result<cpal::Device, String> {
@@ -72,9 +77,9 @@ fn resolve_input_device(device_name: &Option<String>) -> Result<cpal::Device, St
                     .unwrap_or(false)
             })
             .ok_or_else(|| format!("Input device not found: {name}")),
-        None => host.default_input_device().ok_or_else(|| {
-            format!("No default input device")
-        }),
+        None => host
+            .default_input_device()
+            .ok_or_else(|| format!("No default input device")),
     }
 }
 
@@ -91,9 +96,9 @@ fn resolve_output_device(device_name: &Option<String>) -> Result<cpal::Device, S
                     .unwrap_or(false)
             })
             .ok_or_else(|| format!("Output device not found: {name}")),
-        None => host.default_output_device().ok_or_else(|| {
-            format!("No default output device")
-        }),
+        None => host
+            .default_output_device()
+            .ok_or_else(|| format!("No default output device")),
     }
 }
 
@@ -561,6 +566,11 @@ pub fn connect_to_vc(
         current_output_device: config.output_device_name.clone(),
         producer_in: Arc::clone(&shared_producer_in),
         consumer_out: Arc::clone(&shared_consumer_out),
+
+        backend_config: Arc::new(Mutex::new(BackendConfig {
+            is_muted: false,
+            is_deaf: false,
+        })),
     };
 
     session.setup_input(config.input_device_name.clone(), Arc::clone(&state_inner))?;
@@ -571,6 +581,7 @@ pub fn connect_to_vc(
         let input_socket = socket.clone();
         let shutdown = shutdown.clone();
         let cipher = cipher.clone();
+        let backend_config = session.backend_config.clone();
 
         thread::spawn(move || {
             let mut sequence = 0u32;
@@ -581,6 +592,22 @@ pub fn connect_to_vc(
             let mut noise_floor: f32 = 0.0;
 
             while !shutdown.load(Ordering::Relaxed) {
+                let (is_muted, is_deaf) = {
+                    let cfg = backend_config.lock().unwrap();
+                    (cfg.is_muted, cfg.is_deaf)
+                };
+
+                if is_muted || is_deaf {
+                    // Clear audio recorded while muted to avoid stale transmission on unmute
+                    let available = consumer_in.occupied_len();
+                    if available > 0 {
+                        consumer_in.skip(available);
+                    }
+
+                    thread::sleep(Duration::from_millis(50));
+                    continue;
+                }
+
                 if consumer_in.occupied_len() >= PACKET_SAMPLES {
                     let _ = consumer_in.pop_slice(&mut frame_buf);
 
@@ -654,6 +681,7 @@ pub fn connect_to_vc(
         let socket = socket.clone();
         let shutdown = shutdown.clone();
         let cipher = cipher.clone();
+        let backend_config = session.backend_config.clone();
 
         thread::spawn(move || {
             let mut packets: BTreeMap<u32, Vec<f32>> = BTreeMap::new();
@@ -666,6 +694,16 @@ pub fn connect_to_vc(
             let mut loop_count: u64 = 0;
 
             while !shutdown.load(Ordering::Relaxed) {
+                let is_deaf = { backend_config.lock().unwrap().is_deaf };
+
+                if is_deaf {
+                    packets.clear();
+                    is_prebuffering = true;
+
+                    std::thread::sleep(Duration::from_secs(1));
+                    continue;
+                }
+
                 loop_count += 1;
                 if let Ok(len) = socket.recv(&mut udp_buffer) {
                     recv_count += 1;
diff --git a/src-tauri/src/commands/config.rs b/src-tauri/src/commands/config.rs
index 32af22b..c8d672f 100644
--- a/src-tauri/src/commands/config.rs
+++ b/src-tauri/src/commands/config.rs
@@ -102,3 +102,22 @@ pub fn get_config(app: AppHandle, state: State<ConfigState>) -> Result<Config, S
 
     Ok(config)
 }
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct BackendConfig {
+    pub is_muted: bool,
+    pub is_deaf: bool,
+}
+
+#[tauri::command]
+pub fn update_backend_config(
+    voice_state: State<'_, VoiceState>,
+    config: BackendConfig,
+) -> Result<(), String> {
+    if let Some(v) = &mut *voice_state.inner.session.lock().unwrap() {
+        *v.backend_config.lock().unwrap() = config
+    }
+
+    Ok(())
+}
diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index 73dbfc8..69fb5d8 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -24,6 +24,7 @@ pub fn run() {
             commands::config::update_config,
             commands::config::save_config,
             commands::config::get_config,
+            commands::config::update_backend_config,
         ])
         .run(tauri::generate_context!())
         .expect("error while running tauri application");
diff --git a/src/app/app.ts b/src/app/app.ts
index 7fb3f50..8ca0cdb 100644
--- a/src/app/app.ts
+++ b/src/app/app.ts
@@ -10,7 +10,7 @@ import { Page } from "@/components/page/PageView";
 import { Channel } from "@/lib/types";
 import { invoke } from "@tauri-apps/api/core";
 import { ClientMethod } from "./protocol";
-import { Config, getConfig } from "@/lib/config";
+import { BackendConfig, Config, getConfig } from "@/lib/config";
 
 ed.hashes.sha512 = sha512;
 
@@ -35,11 +35,16 @@ export default class Enclave<P = Page> {
   public forceRender: () => void;
   public page?: P;
   public config?: Config;
+  public backendConfig: BackendConfig;
 
   public constructor() {
     this.serverList = [];
     this.forceRender = () => {};
     this.isSettingsOpen = false;
+    this.backendConfig = {
+      isMuted: false,
+      isDeaf: false,
+    };
   }
 
   public async init() {
@@ -113,12 +118,12 @@ export default class Enclave<P = Page> {
       return;
     }
 
-    const serveridx = this.serverList.findIndex((server) => {
-      server.hostname === hostname;
-    });
+    const serveridx = this.serverList.findIndex(
+      (server) => server.hostname === hostname,
+    );
 
     if (
-      this.serverList[serveridx] &&
+      serveridx >= 0 &&
       this.serverList[serveridx].publicKey !==
         base58.encode(this.server.serverPublicKey)
     ) {
@@ -167,7 +172,7 @@ export default class Enclave<P = Page> {
       meta: metaResponse.data as any,
     };
 
-    if (this.serverList[serveridx]) {
+    if (serveridx >= 0) {
       this.serverList[serveridx] = serverItem;
     } else {
       this.serverList.push(serverItem);
diff --git a/src/components/view/StatusCard.tsx b/src/components/view/StatusCard.tsx
index 4644de8..b68016f 100644
--- a/src/components/view/StatusCard.tsx
+++ b/src/components/view/StatusCard.tsx
@@ -1,11 +1,20 @@
 import { Card } from "../ui/card";
 import { Avatar, AvatarFallback, AvatarImage } from "../ui/avatar";
-import { CopyIcon, PhoneOff, Settings2Icon, Signal } from "lucide-react";
+import {
+  CopyIcon,
+  Headset,
+  Mic,
+  MicOff,
+  PhoneOff,
+  Settings2Icon,
+  Signal,
+} from "lucide-react";
 import { Button } from "../ui/button";
 import Enclave from "@/app/app";
 import { base58 } from "@scure/base";
 import * as ed from "@noble/ed25519";
 import { Channel } from "@/lib/types";
+import { updateBackendConfig } from "@/lib/config";
 
 function findChannel(channels: Channel[], id: string): Channel | undefined {
   for (const channel of channels) {
@@ -38,9 +47,9 @@ export default function StatusCard({
 
   return (
     <div className="absolute -left-16 right-16 bottom-0 w-[calc(100%+4rem-2rem)] z-10 ml-4 mb-4 @max-[150px]:hidden">
-      <Card className="px-3 py-3 h-full w-full flex flex-col gap-0.5">
+      <Card className="px-3 py-3 h-full w-full flex flex-col gap-1.5">
         {voiceChannel && (
-          <div className="text-emerald-500 flex flex-row items-center gap-2 border-b pb-2.5">
+          <div className="text-emerald-500 flex flex-row items-center gap-2 border-b pb-2">
             <Signal className="h-5" />
             <div className="flex flex-col">
               <span>Voice Connected</span>
@@ -82,6 +91,46 @@ export default function StatusCard({
             </div>
           </div>
           <div className="flex items-center text-muted-foreground">
+            <Button
+              variant={
+                appRef.current?.backendConfig.isDeaf ? "destructive" : "ghost"
+              }
+              className="size-10"
+              onClick={() => {
+                if (!appRef.current) return;
+
+                appRef.current.backendConfig.isDeaf =
+                  !appRef.current.backendConfig.isDeaf;
+
+                updateBackendConfig(appRef.current.backendConfig);
+
+                appRef.current.forceRender();
+              }}
+            >
+              <Headset className="size-5.5" />
+            </Button>
+            <Button
+              variant={
+                appRef.current?.backendConfig.isMuted ? "destructive" : "ghost"
+              }
+              className="size-10"
+              onClick={() => {
+                if (!appRef.current) return;
+
+                appRef.current.backendConfig.isMuted =
+                  !appRef.current.backendConfig.isMuted;
+
+                updateBackendConfig(appRef.current.backendConfig);
+
+                appRef.current.forceRender();
+              }}
+            >
+              {appRef.current?.backendConfig.isMuted ? (
+                <MicOff className="size-5.5" />
+              ) : (
+                <Mic className="size-5.5" />
+              )}
+            </Button>
             <Button
               variant="ghost"
               className="size-10"
diff --git a/src/lib/config.ts b/src/lib/config.ts
index 270e766..3abe6e7 100644
--- a/src/lib/config.ts
+++ b/src/lib/config.ts
@@ -7,6 +7,11 @@ export type Config = {
   outputVolume: number;
 };
 
+export type BackendConfig = {
+  isMuted: boolean;
+  isDeaf: boolean;
+};
+
 export async function updateConfig(config: Config): Promise<void> {
   await invoke("update_config", { config });
 }
@@ -18,3 +23,9 @@ export async function saveConfig(): Promise<void> {
 export async function getConfig(): Promise<Config> {
   return await invoke("get_config");
 }
+
+export async function updateBackendConfig(
+  config: BackendConfig,
+): Promise<void> {
+  await invoke("update_backend_config", { config });
+}