👨👩👧 This page is for parents. Settings here apply to all learning pages on this device. 这个页面是给家长用的，这里的设置会应用到本设备上所有的学习页面。
🔊 Voice Engine
朗读引擎 · 选择默认朗读方式
🌐 Web Speech 免费 · Free
🎙️ ElevenLabs 高音质 · Premium
Web Speech uses your device's built-in voices (free, works offline). ElevenLabs uses studio-grade AI voices but requires an API key (paid; free tier 10K chars/month).
🎙️ ElevenLabs Configuration
ElevenLabs 设置 · 仅在选择 ElevenLabs 引擎时生效
🔒 Stored locally in your browser, never sent to our servers.
Get a key at elevenlabs.io/app/settings/api-keys. Free tier: 10,000 characters/month. 密钥仅保存在你的浏览器本地，不会发送到我们的服务器。
Uses the multilingual model — supports mixed English and Chinese in one paragraph.