diff --git a/apps/client/assets/images/devices/Echo-translation.png b/apps/client/assets/images/devices/Echo-translation.png
new file mode 100644
index 00000000..1b536f7b
Binary files /dev/null and b/apps/client/assets/images/devices/Echo-translation.png differ
diff --git a/apps/client/assets/images/devices/Echo-translation_icon.png b/apps/client/assets/images/devices/Echo-translation_icon.png
new file mode 100644
index 00000000..9a8797ea
Binary files /dev/null and b/apps/client/assets/images/devices/Echo-translation_icon.png differ
diff --git a/apps/client/lib/data/models/device_category.dart b/apps/client/lib/data/models/device_category.dart
index 9d493df3..d66df8d5 100644
--- a/apps/client/lib/data/models/device_category.dart
+++ b/apps/client/lib/data/models/device_category.dart
@@ -23,6 +23,8 @@ class DeviceCategory {
     this.imageAsset,
     this.deviceTypes = const [],
     this.nameKeywords = const [],
+    this.productLabel,
+    this.bluetoothName,
   });
 
   final String id;
@@ -45,6 +47,12 @@ class DeviceCategory {
   /// 命中的 devicename 关键字（大小写不敏感，包含即算）
   final List<String> nameKeywords;
 
+  /// 选择设备页上的产品名。有值时原样显示，不再把 [title] 当文案键翻译。
+  final String? productLabel;
+
+  /// 点进连接页时只认这个蓝牙名。空表示该品类下的名字都认。
+  final String? bluetoothName;
+
   /// 该品类是否已经配置了筛选条件
   bool get hasFilter => deviceTypes.isNotEmpty || nameKeywords.isNotEmpty;
 }
@@ -72,7 +80,7 @@ class DeviceCategories {
   //    2026-09-08 废弃，下发的值恒为 0，再也匹配不到 1/2/3。留着字段只为不动
   //    老数据结构，**新品类一律用 nameKeywords 圈定**。圈不到时 productsOf 返回空。
   //
-  // 「选择设备」页当前上架两条：AI耳机（恒玄）、AI车载香薰（EaiCar）。
+  // 「选择设备」页当前上架：AI耳机（Echo-one）、Echo-translation、AI车载香薰（EaiCar）。
   // AI手机支架（EaiRec）2026-09-26 暂时下架，定义在 [hidden] 里。
   // 下架某条 = 把它挪回 [hidden]。
   static const List<DeviceCategory> all = [
@@ -84,7 +92,20 @@ class DeviceCategories {
       gradient: [Color(0xFFAB47BC), Color(0xFF7B1FA2)],
       imageAsset: '${DeviceImages.dir}Echo-one.png',
       // deviceTypes 已失效（见上），耳机改由名字圈定
-      nameKeywords: ['echo-one', 'deepvoice', 'deepsound', 'buds', 'ai80', 'a80'],
+      nameKeywords: ['echo-one', 'echo-translation', 'deepvoice', 'deepsound', 'buds', 'ai80', 'a80'],
+    ),
+    // 另一颜色的同协议耳机。选择页单独一张卡，名字和图片都是这款产品自己的。
+    // id 仍是 earphone：连接、校验、默认功能都走恒玄耳机那条，不另开品类。
+    DeviceCategory(
+      id: earphone,
+      title: 'catEarphone',
+      subtitle: 'catEarphoneDesc',
+      icon: Icons.headphones,
+      gradient: [Color(0xFF616161), Color(0xFF212121)],
+      imageAsset: '${DeviceImages.dir}Echo-translation.png',
+      productLabel: 'Echo-translation',
+      bluetoothName: 'Echo-translation',
+      nameKeywords: ['echo-translation'],
     ),
     // AI车载香薰 = EaiCar（广播名，旧名 Smartcar 已于 2026-09-15 停止接纳）。
     DeviceCategory(
diff --git a/apps/client/lib/modules/devices/views/bes_scan_view.dart b/apps/client/lib/modules/devices/views/bes_scan_view.dart
index 72e119d4..24c8e748 100644
--- a/apps/client/lib/modules/devices/views/bes_scan_view.dart
+++ b/apps/client/lib/modules/devices/views/bes_scan_view.dart
@@ -28,13 +28,20 @@ class BesScanView extends StatefulWidget {
 }
 
 class _BesScanViewState extends State<BesScanView> {
+  /// 从「选择设备」点进来时带的蓝牙名。空则该品类下的名字都认。
+  late final String? _bluetoothName;
+
   /// 展示用的设备名。当前固件的广播名。
-  static const String _targetName = 'Echo-one';
+  String get _targetName => _bluetoothName ?? 'Echo-one';
 
   /// 认哪些广播名：设备端 2026-08-31 把广播名从 `DEEPVOICE` 改成 `Echo-one`，
   /// 但 Android 的配对列表给的是系统缓存的配对名，改名前配过对的手机在重新配对
   /// 之前仍然报旧名。旧名可在存量设备全部换代后删除。
-  static const List<String> _acceptedNames = ['Echo-one', 'DEEPVOICE'];
+  /// `Echo-translation` 是另一颜色的同协议耳机，从它自己的卡片进来时只认这个名字。
+  static const List<String> _allAcceptedNames = ['Echo-one', 'Echo-translation', 'DEEPVOICE'];
+
+  List<String> get _acceptedNames =>
+      _bluetoothName == null ? _allAcceptedNames : [_bluetoothName!];
 
   DevicePlugin get _plugin => DeviceHub.to.plugin(DeviceVendors.bes)!;
   final RxList<DiscoveredDevice> _devices = <DiscoveredDevice>[].obs;
@@ -46,6 +53,8 @@ class _BesScanViewState extends State<BesScanView> {
   @override
   void initState() {
     super.initState();
+    final arg = Get.arguments;
+    _bluetoothName = arg is String && arg.trim().isNotEmpty ? arg.trim() : null;
     // 主动连接失败后耳机才连上手机的场景：原生靠 ACL 广播自动补 RFCOMM，
     // 一旦上线，这页也要把绑定存下来并跳回设备页。
     // `_connecting` 期间不开火：候选循环自己会收尾。
@@ -194,7 +203,7 @@ class _BesScanViewState extends State<BesScanView> {
       appBar: AppBar(
         backgroundColor: AppPalette.background(isDark),
         elevation: 0,
-        title: const Text('添加 AI 耳机（$_targetName）'),
+        title: Text('添加 AI 耳机（$_targetName）'),
         actions: [
           IconButton(icon: const Icon(Icons.refresh), onPressed: _load),
         ],
diff --git a/apps/client/lib/modules/devices/views/device_category_view.dart b/apps/client/lib/modules/devices/views/device_category_view.dart
index 8d13620f..31eac9cb 100644
--- a/apps/client/lib/modules/devices/views/device_category_view.dart
+++ b/apps/client/lib/modules/devices/views/device_category_view.dart
@@ -72,7 +72,7 @@ class DeviceCategoryView extends StatelessWidget {
     }
     switch (category.id) {
       case DeviceCategories.earphone:
-        Get.toNamed(Routes.besScan);
+        Get.toNamed(Routes.besScan, arguments: category.bluetoothName);
         break;
       case DeviceCategories.carAroma:
         // EaiCar 车载香薰，走 lib/devices/eaicar 那条 BLE 链路（C2 私有协议）。
@@ -127,7 +127,7 @@ class DeviceCategoryView extends StatelessWidget {
             Padding(
               padding: EdgeInsets.fromLTRB(10.w, 0, 10.w, 12.h),
               child: Text(
-                category.title.tr,
+                category.productLabel ?? category.title.tr,
                 maxLines: 1,
                 overflow: TextOverflow.ellipsis,
                 textAlign: TextAlign.center,
diff --git a/apps/client/local_plugins/bluetooth_manager/android/src/main/kotlin/com/example/bluetooth_manager/F2fBleLink.kt b/apps/client/local_plugins/bluetooth_manager/android/src/main/kotlin/com/example/bluetooth_manager/F2fBleLink.kt
index 53831ce7..2962d95f 100644
--- a/apps/client/local_plugins/bluetooth_manager/android/src/main/kotlin/com/example/bluetooth_manager/F2fBleLink.kt
+++ b/apps/client/local_plugins/bluetooth_manager/android/src/main/kotlin/com/example/bluetooth_manager/F2fBleLink.kt
@@ -27,7 +27,7 @@ import java.util.concurrent.RejectedExecutionException
  * Echo-one 面对面的 **BLE 双耳链路**（协议见 docs/face_to_face_ble_protocol.md v0.4）。
  *
  * 时序（App → 耳机全是 AA 帧头）：
- *   ① SPP 发一帧 `AA 19 06 02 01 01` 切 BLE 链路 → 左右耳各自发 BLE 广播（**`Echo-one-L` / `Echo-one-R`**）；
+ *   ① SPP 发一帧 `AA 19 06 02 01 01` 切 BLE 链路 → 左右耳各自发 BLE 广播（`Echo-one-L/R` 或 `Echo-translation-L/R`）；
  *   ② App 扫到两只、各建一条 GATT（MTU + 开通知）；
  *   ③ 两耳都就绪后经 BLE 给两耳发 `AA 66` 启动面对面；
  *   ④ 左耳收音 → 译文播右耳，右耳收音 → 译文播左耳；
@@ -35,7 +35,7 @@ import java.util.concurrent.RejectedExecutionException
  * Dart 仍只发 `AA 66` / `AA 67`，由 BluetoothManager.writeBytes 转给 [start] / [requestStop] 编排。
  *
  * 细节：
- *   - **集齐一左一右再连**：扫描 [SCAN_TIMEOUT_MS] 内要扫到 [LEFT_NAME]、[RIGHT_NAME] 各一个广播，只扫到一侧/一个都没有
+ *   - **集齐一左一右再连**：扫描 [SCAN_TIMEOUT_MS] 内要扫到左耳名、右耳名各一个广播，只扫到一侧/一个都没有
  *     判失败回滚；同侧的第二个广播（附近别的 Echo-one）忽略；名字写死，`-L` = 左耳 = leg A，其它名字一律不认；
  *   - 两条 GATT 同时连，[CONNECT_TIMEOUT_MS] 内两耳都要就绪（MTU + 开通知），否则失败回滚；
  *   - 服务 00001100-d102-…，可写特征 / 通知特征按 properties 挑（真机 1101 可写、1102 notify）；
@@ -79,9 +79,9 @@ object F2fBleLink {
   private const val UPLINK_SILENT_MS = 1_500L
   private const val SILENCE_CHECK_MS = 500L
 
-  /** 固件在面对面里的左右耳广播名（写死，只认这两个） */
-  private const val LEFT_NAME = "Echo-one-L"
-  private const val RIGHT_NAME = "Echo-one-R"
+  /** 面对面左右耳广播名。Echo-one 与同协议的 Echo-translation 都认，`-L` 左耳 / `-R` 右耳。 */
+  private val LEFT_NAMES = listOf("Echo-one-L", "Echo-translation-L")
+  private val RIGHT_NAMES = listOf("Echo-one-R", "Echo-translation-R")
   private const val REQUEST_MTU = 247
   /** 建链阶段单耳 GATT 断开的重试次数 */
   private const val GATT_RETRIES = 3
@@ -655,7 +655,7 @@ object F2fBleLink {
         if (candidates.containsKey(addr)) return
         val side = sideOf(name)
         if (side == null) {
-          if (firstSeen) Log.w(TAG, "广播 $addr '$name' 不是 $LEFT_NAME / $RIGHT_NAME，忽略")
+          if (firstSeen) Log.w(TAG, "广播 $addr '$name' 不是 Echo-one / Echo-translation 的左右耳名，忽略")
           return
         }
         // 已经有同侧的了：多半是旁边另一副 Echo-one，别凑成两只左耳
@@ -708,12 +708,12 @@ object F2fBleLink {
     handler.postDelayed(connectDeadline, CONNECT_TIMEOUT_MS)
   }
 
-  /** 广播名 → 左右：只认 [LEFT_NAME] / [RIGHT_NAME]（忽略大小写和首尾空白），其它返回 null */
+  /** 广播名 → 左右：只认 Echo-one / Echo-translation 的 `-L` / `-R`（忽略大小写和首尾空白）。 */
   private fun sideOf(name: String): String? {
     val n = name.trim { it.isWhitespace() || it == '\u0000' }
     return when {
-      n.equals(LEFT_NAME, ignoreCase = true) -> "L"
-      n.equals(RIGHT_NAME, ignoreCase = true) -> "R"
+      LEFT_NAMES.any { n.equals(it, ignoreCase = true) } -> "L"
+      RIGHT_NAMES.any { n.equals(it, ignoreCase = true) } -> "R"
       else -> null
     }
   }
diff --git a/apps/client/local_plugins/bluetooth_manager/ios/bluetooth_manager/Sources/bluetooth_manager/F2fBleLink.swift b/apps/client/local_plugins/bluetooth_manager/ios/bluetooth_manager/Sources/bluetooth_manager/F2fBleLink.swift
index 0898e198..b08ae00f 100644
--- a/apps/client/local_plugins/bluetooth_manager/ios/bluetooth_manager/Sources/bluetooth_manager/F2fBleLink.swift
+++ b/apps/client/local_plugins/bluetooth_manager/ios/bluetooth_manager/Sources/bluetooth_manager/F2fBleLink.swift
@@ -5,7 +5,7 @@ import os.log
 /// Echo-one 面对面的 BLE 双耳链路，对齐 Android `F2fBleLink.kt`（协议 v0.4.1）。
 ///
 /// iOS 上现有耳机链路是 GATT over BR/EDR，不是 SPP。`AA 19` 走这条经典 GATT 写特征；
-/// 左右耳 `Echo-one-L` / `Echo-one-R` 另起一个不带状态恢复的 LE central，避免和经典蓝牙抢同一个 central。
+/// 左右耳 `Echo-one-L/R` 或 `Echo-translation-L/R` 另起一个不带状态恢复的 LE central，避免和经典蓝牙抢同一个 central。
 /// Dart 仍只发 `AA 66` / `AA 67`。
 public final class F2fBleLink: NSObject, CBCentralManagerDelegate, CBPeripheralDelegate {
 
@@ -47,8 +47,8 @@ public final class F2fBleLink: NSObject, CBCentralManagerDelegate, CBPeripheralD
     private let writeQueueCap = 8
     private let gattRetries = 3
 
-    private let leftName = "Echo-one-L"
-    private let rightName = "Echo-one-R"
+    private let leftNames = ["Echo-one-L", "Echo-translation-L"]
+    private let rightNames = ["Echo-one-R", "Echo-translation-R"]
 
     private let prefsExit = "f2f.exitPending"
 
@@ -395,7 +395,7 @@ public final class F2fBleLink: NSObject, CBCentralManagerDelegate, CBPeripheralD
         case .scan:
             if candidates[id] != nil { return }
             guard let side = sideOf(name) else {
-                if first { os_log("广播 %{public}@ '%{public}@' 不是 Echo-one-L / Echo-one-R，忽略", log: Self.log, type: .default, id.uuidString, name) }
+                if first { os_log("广播 %{public}@ '%{public}@' 不是 Echo-one / Echo-translation 的左右耳名，忽略", log: Self.log, type: .default, id.uuidString, name) }
                 return
             }
             if let same = candidates.first(where: { sideOf($0.value.1) == side }) {
@@ -436,7 +436,7 @@ public final class F2fBleLink: NSObject, CBCentralManagerDelegate, CBPeripheralD
         stopScan()
         let n = candidates.count
         let desc = candidates.map { "\($0.key.uuidString) '\($0.value.1)'" }.joined(separator: ", ")
-        fail(n == 1 ? "oneEar" : "noEar", "15s 内只扫到 \(n) 个 Echo-one 广播（共见 \(seen.count) 个）：\(desc)")
+        fail(n == 1 ? "oneEar" : "noEar", "15s 内只扫到 \(n) 个 Echo 耳机广播（共见 \(seen.count) 个）：\(desc)")
     }
 
     private func onBothFound() {
@@ -467,8 +467,8 @@ public final class F2fBleLink: NSObject, CBCentralManagerDelegate, CBPeripheralD
 
     private func sideOf(_ name: String) -> String? {
         let n = name.trimmingCharacters(in: .whitespacesAndNewlines)
-        if n.caseInsensitiveCompare(leftName) == .orderedSame { return "L" }
-        if n.caseInsensitiveCompare(rightName) == .orderedSame { return "R" }
+        if leftNames.contains(where: { n.caseInsensitiveCompare($0) == .orderedSame }) { return "L" }
+        if rightNames.contains(where: { n.caseInsensitiveCompare($0) == .orderedSame }) { return "R" }
         return nil
     }