THE SHORT VERSION
- OPPO says LHDC Lossless can reach 24-bit/48kHz and up to 2.3Mbps, but the full lossless path requires pairing the earbuds with a Find X10 series phone.OPPO 表示 LHDC Lossless 最高支持 24 位/48kHz、最高 2.3Mbps，但完整无损传输链路需要与 Find X10 系列手机配对。
- Spatial audio is described as cross-platform; translation and Smart Bluetooth each require selected OPPO or OnePlus devices and may vary by region.空间音频被描述为跨平台功能；实时翻译和 Smart Bluetooth 则分别需要指定的 OPPO 或 OnePlus 设备，且可能因地区而异。
- The 13-hour earbud and 53-hour combined playback figures are OPPO laboratory claims under conditions that turn ANC off; Spain's reported price is 219 euros.耳机最长 13 小时、配合充电盒最长 53 小时是 OPPO 实验室的说法，测试时关闭了 ANC；西班牙报道价格为 219 欧元。
The lossless headline has a phone requirement无损音频宣传有手机条件
OPPO launched the Enco X4 on October 21 with a feature list that mixes broad compatibility and phone-specific functions. The headline audio promise is LHDC Lossless at up to 24-bit/48kHz and a transmission rate of up to 2.3Mbps. OPPO's own release says that full-chain wireless lossless playback requires pairing the earbuds with an OPPO Find X10 series phone. That is the first compatibility check for anyone considering them as an upgrade to a phone from Apple, Samsung, Google, or another Android maker.OPPO 于 10 月 21 日发布 Enco X4，产品功能同时包含广泛兼容和手机专属功能。主打音频卖点是 LHDC Lossless，最高支持 24 位/48kHz，传输速率最高 2.3Mbps。OPPO 自己的发布资料说明，要实现完整的无线无损播放链路，耳机必须与 OPPO Find X10 系列手机配对。对正在考虑用苹果、三星、谷歌或其他安卓手机连接耳机的人来说，这是首要的兼容性核对。
The numbers describe a supported ceiling, not what every listening session will deliver. The music source, app setting, track format, selected Bluetooth codec, and connected phone all have to support the intended path. If one part sends a compressed stream, the earbuds cannot restore information that was removed before playback. OPPO does not say that simply pairing Enco X4 with any Bluetooth phone enables LHDC Lossless. Its announcement separates that mode from the wider device compatibility listed for other functions.这些数字表示支持的上限，不代表每次聆听都会达到该水平。音乐来源、应用设置、曲目格式、实际选用的蓝牙编解码器，以及连接的手机都必须支持预期的播放链路。如果其中一环传来的是有损音频，耳机无法恢复先前已经丢失的信息。OPPO 没有说 Enco X4 只要配对任意蓝牙手机就能启用 LHDC Lossless。发布资料把这一模式与更广泛的其他设备兼容范围分开说明。
Some features travel across platforms有些功能可以跨平台使用
OPPO says Cross-Ecosystem Spatial Audio works with Android, iOS, and Windows devices. The same release lists Bluetooth 6.1 and dual-device connections across systems. The earbuds can therefore pair beyond OPPO phones, though controls and setup may differ by operating system. Before buying, check how your phone handles setup, sound modes, firmware updates, and a simultaneous laptop connection.OPPO 表示 Cross-Ecosystem Spatial Audio 可与 Android、iOS 和 Windows 设备搭配使用。发布资料还列出蓝牙 6.1 与跨系统双设备连接，因此 Enco X4 可连接 OPPO 以外的手机，但不同系统的控制与设置可能不同。购买前应核实自己的手机如何设置耳机、切换声音模式、更新固件，以及能否同时连接笔记本。
Smart Bluetooth is narrower. OPPO says that its Smart Bluetooth connection technology requires designated OPPO or OnePlus phones and may not be available in some countries or regions. The earbuds remain compatible with Bluetooth devices generally, but the phrase Smart Bluetooth refers to an additional feature set with a specific device and regional boundary. That distinction matters if a buyer sees a broad compatibility claim and assumes it covers faster switching, control-panel integration, or other brand-linked conveniences.Smart Bluetooth 的范围更窄。OPPO 表示其 Smart Bluetooth 连接技术需要指定的 OPPO 或 OnePlus 手机，而且部分国家和地区可能无法使用。耳机通常仍可连接蓝牙设备，但 Smart Bluetooth 指的是额外的一组连接功能，并受特定设备和地区限制。如果买家看到较宽泛的兼容性宣传，便以为所有手机都能快速切换、接入系统控制面板或使用品牌专属便利功能，这一区别就很重要。
Driver design is not an independent sound result单元结构不等于独立听感结论
The Enco X4 pairs an 11mm woofer with a TRF diaphragm and a 6mm planar diaphragm tweeter. Each driver has its own digital-to-analog converter, or DAC, so OPPO can process different frequency ranges separately. The company also says Dynaudio co-tuned five sound profiles. These are specific design choices that explain how the product is built and presented; they do not establish that every listener will prefer its sound or that it outperforms a competing pair.Enco X4 使用一个 11 毫米 TRF 振膜低音单元和一个 6 毫米平面振膜高音单元。每个单元都有独立的数模转换器，也就是 DAC，因此 OPPO 可以分别处理不同频段。公司还表示这五种声音模式由 Dynaudio 共同调校。这些设计说明了产品如何构成与定位，却不能证明所有人都会喜欢它的声音，也不能说明它胜过竞争品牌的耳机。
laSexta reports the components and Find X10 requirement while summarizing OPPO’s announced specifications. Neither that report nor the launch announcement is an independent sound, ANC, or battery test. A useful review would compare named tracks at the same source quality and fit, then measure cancellation and runtime under stated settings.laSexta 报道了单元组件和 Find X10 的无损播放条件，主要整理 OPPO 已公布的规格。这篇报道和产品发布稿都不是独立的音质、降噪或续航测试。更有用的评测应使用相同音源质量和佩戴条件比较指定曲目，并说明降噪与续航的测试设置。
Read the ANC percentages as OPPO's lab comparisonANC 百分比应按 OPPO 实验室比较来理解
OPPO says the Enco X4 provides up to 100 percent stronger overall noise-cancellation performance than the previous Enco X3s, and up to 30 percent better cancellation in vocal frequencies. The footnote attributes those figures to OPPO Labs and says results vary with fit and environment. The release gives no complete protocol or frequency-by-frequency table. The percentage therefore should not be translated into a guaranteed reduction that every passenger will experience on a bus or train.OPPO 表示，与上一代 Enco X3s 相比，Enco X4 的整体降噪表现最高提升 100%，人声频段最高改善 30%。脚注称这些数据来自 OPPO 实验室，并提醒结果会因佩戴和环境变化。发布资料没有列出完整测试流程或按频率划分的数据。因此，不应把这个百分比换算成每位乘客在公交或地铁上都能获得的固定降噪幅度。
The product combines three microphones, an NPU, adaptive ANC, and ear tips designed for noise cancellation. OPPO says the adaptive mode can recognize settings such as a metro, bus, taxi, or airplane and adjust the cancellation. That is a useful claim to test in a review, especially because engine rumble, wind, announcements, and nearby speech behave differently. A buyer choosing earbuds for commuting should look for measured noise reduction and microphone samples in those situations, not infer them from the processor size or an overall percentage.产品结合了三麦克风、神经处理单元、自适应 ANC 和降噪耳塞套。OPPO 称自适应模式能够识别地铁、公交、出租车或飞机等场景并自动调整降噪。这个说法适合由评测者在不同环境中核实，尤其因为发动机低鸣、风声、车厢广播和旁人讲话并非相同类型的声音。如果你主要想买通勤耳机，应查看这些场景下实测的降噪和麦克风效果，不要从处理器纳米数或总体百分比直接推断。
Translation and Gemini are not earbud-only features翻译和 Gemini 并非耳机独立功能
AI Live Translation is advertised for more than 30 languages, but OPPO's footnote limits it to selected OPPO devices running ColorOS 15.0.1 or later. The supported language list is shown in the app, and availability changes by region and market launch date. That means an Enco X4 owner with a different Android phone or an iPhone should not assume the translation feature will appear after pairing. The earbud purchase alone does not satisfy the software requirement.AI Live Translation 宣称支持 30 多种语言，但 OPPO 的脚注把适用范围限定在部分运行 ColorOS 15.0.1 或更高版本的 OPPO 设备。支持的语言清单要在应用中查看，且功能是否开放会随地区和上市日期变化。因此，使用其他安卓手机或 iPhone 的 Enco X4 用户，不应假定配对后就会出现翻译功能。单独购买耳机并不能满足软件条件。
The Gemini voice function has a separate condition: OPPO says users can say the wake phrase when the earbuds are connected to a compatible device, and that setup is required. Compatibility and availability vary. The Neck Monitoring feature is described as a way to notice prolonged poor posture; it should be treated as a prompt rather than a medical measurement or a guarantee that the user is holding their head safely. These are device-linked conveniences. Their usefulness depends on the phone, software version, language, permissions, and market.Gemini 语音功能也有独立条件：OPPO 表示耳机连接兼容设备时，用户可以说唤醒词，并且需要完成设置；兼容性与可用性都可能不同。Neck Monitoring 颈部姿势监测被描述为帮助用户留意长时间不良姿势的提醒，应当看作行为提示，不是医疗测量，也不能保证佩戴者一直保持安全姿势。这些都属于依赖设备的便利功能，其实际可用性还受手机、软件版本、语言、权限与市场影响。
Battery life depends on settings the headline omits宣传续航时省略了设置条件
OPPO lists up to 13 hours of music on the earbuds and up to 53 hours with the charging case. Its footnote gives the conditions: 25 degrees Celsius, AAC playback, active noise cancellation off, and volume at 50 percent. OPPO also says actual playtime changes with volume, calls, source, interference, and enabled features. A commuter who uses ANC and takes calls should not plan on reproducing the maximum figure.OPPO 列出耳机单次最长播放 13 小时，配合充电盒总计最长 53 小时。脚注给出了条件：环境温度 25 摄氏度、使用 AAC 播放、关闭主动降噪、音量设为 50%。OPPO 也表示实际播放时间会随音量、电话、音源、干扰和启用的功能变化。通勤时常开 ANC 或经常通话的人，不应按最长数据安排充电。
The rating is IP55 for dust and water resistance under laboratory conditions. OPPO cites testing against GB/T 4208-2017 and IEC 60529-2013, then says aging and personal use affect results and cautions against charging the earbuds while damp. This helps frame the rating: it is a tested resistance classification, not a claim that the earbuds can be worn swimming or submerged. Fit also affects more than comfort. OPPO's own ANC disclaimer notes that sealing and use environment can change noise cancellation.IP55 等级代表产品在实验室条件下通过了防尘和防水测试。OPPO 提及 GB/T 4208-2017 与 IEC 60529-2013 标准，同时说设备老化和个人使用会影响结果，并提醒耳机潮湿时不要充电。这有助于正确理解等级：它是经测试的防护分类，不是可以游泳或浸水的承诺。贴合度也不只影响舒适度。OPPO 自己的 ANC 脚注就提到，密封情况和环境会改变降噪效果。
The global launch does not set one global price全球发布不代表全球同价
OPPO says the Enco X4 will roll out gradually across global markets and tells buyers to check local announcements for pricing and availability. laSexta reported that the earbuds were already listed through OPPO's official Spanish store at a recommended price of 219 euros. That is a Spain-specific price observation. It should not be converted into a universal euro, dollar, or pound price without checking tax and local store terms.OPPO 表示 Enco X4 将逐步在各地市场上市，具体价格和供应要查看当地公告。laSexta 报道称，这款耳机已经在 OPPO 西班牙官方商店上架，建议零售价为 219 欧元。这是一个西班牙市场的价格信息，不应在未核实税费和当地商店条款时，直接换算成全球通用的欧元、美元或英镑价格。
At checkout, verify the seller, included accessories, return period, local warranty, and which phone features are enabled in that market. The OPPO announcement supplies the hardware and software conditions; the Spanish report provides a local purchase price. For any phone-dependent feature, confirm the exact model and app requirements in the country where you plan to use the earbuds.结账前应核对零售商、包装内配件、退货期限、本地保修，以及所在市场开放了哪些手机功能。OPPO 公告提供硬件与软件条件，西班牙报道补充了当地售价。对于依赖手机的功能，应在实际使用耳机的国家核对具体机型和应用要求。
Match the feature to the phone you already use把功能与自己现有的手机对上
If lossless playback is the reason to buy, begin with the phone: OPPO names the Find X10 series as the required pairing for LHDC Lossless. If you mainly want spatial audio, the company lists Android, iOS, and Windows support, then check setup and controls for your own operating system. If live translation or Smart Bluetooth is the attraction, confirm the exact phone model, ColorOS version, app support, and region before paying.如果购买理由是无损播放，先核对手机：OPPO 明确指出，LHDC Lossless 需要与 Find X10 系列配对。如果主要想用空间音频，公司列出了 Android、iOS 和 Windows 支持，接下来还要查看自己操作系统的设置和控制方式。如果想用实时翻译或 Smart Bluetooth，付款前应确认具体手机型号、ColorOS 版本、应用支持和所在地区。
For a Spanish buyer, the reported 219-euro listing is a local reference; other markets need their own store price. Before paying for the feature you want, confirm its phone, software, language, and regional requirements on the local product or support page.对西班牙买家来说，报道中的 219 欧元是当地价格参考；其他市场应查询本地售价。付款前，应在当地产品或支持页面确认目标功能所需的手机、软件、语言和地区条件。
Sources & reporting limits来源与核查范围
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