Oppo Enco X4 and Watch S2 Land in China With 53-Hour Earbuds
Oppo has launched the Enco X4 wireless earbuds and the Watch S2 smartwatch in China, according to The Tech Outlook. The earbuds sell for CNY 1,199 (roughly USD 179). The watch pairs a 1.46-inch AMOLED screen with electrocardiogram monitoring. The launch came alongside the Find X10 phone series, and the earbuds go on sale September 24 after a pre-order window.
Pre-orders for the Oppo Enco X4 are open in Soft White, Pink Gold and Titanium Grey. The hardware centres on a coaxial driver stack co-developed with Danish audio specialist Dynaudio, pairing an 11mm dynamic woofer with a 6mm tweeter for a quoted frequency response of 10Hz to 40kHz.
Oppo adds a dual DAC crossover architecture, an ultra-transient cast diaphragm and a concentric symmetrical magnetic circuit to the design. Bluetooth 6.1 handles the wireless link across a 10-metre range with dual-device connectivity, and the earbuds decode AAC, SBC, LHDC and LC3, including 48kHz/24-bit lossless audio and spatial audio. Five Dynaudio-tuned sound profiles ship on board, among them High-Resolution and Surging Bass.
Oppo Enco X4 battery life varies sharply by mode
| Mode | Earbuds only | With charging case |
|---|---|---|
| AAC, noise cancellation off | 13 hours | 53 hours |
| AAC, noise cancellation on | 6 hours | 26 hours |
| LHDC, noise cancellation on | 5.5 hours | 22 hours |
The headline 53-hour figure applies only with the case attached, AAC in use and noise cancellation switched off. A listener who wants lossless LHDC playback with cancellation active drops to 5.5 hours per earbud, less than half the best-case number. A ten-minute charge restores about 4.5 hours of listening, and the 576mAh case refills over USB-C in 55 to 65 minutes or wirelessly in 2.5 hours.
Noise cancellation is rated to suppress up to 99.8% of surrounding sound, with four microphones in each earbud handling AI-assisted calls and Level 7 wind resistance at wind speeds up to 15 metres per second. Each earbud weighs 5.6 grams, the full set with case reaches 53 grams, latency is quoted at 39 milliseconds, and the build carries an IP55 dust and water rating. Beyond audio, Oppo lists cervical spine monitoring, sleep detection and AI translation across more than 20 languages.
The Watch S2 leans on health tracking
The Watch S2 is Oppo's second-generation slim wearable, according to The Tech Outlook. Its display measures 1.46 inches and uses AMOLED, and the health suite now covers ECG readings. The upgrade targets buyers who want heart-rhythm readings without stepping up to a larger flagship watch. The Enco X4 has already appeared on a global certification database, which points to a release outside China alongside the Find X10 series, whose international teasers have begun.
Why this matters
For Chinese buyers, the launch brings ECG sensing and lossless-capable earbuds at mid-range prices, with the Enco X4 priced below most dual-driver rivals. The battery spread is the practical catch: the 53-hour claim describes a case-assisted, cancellation-free scenario, so daily commuters using LHDC and ANC should plan on charging every couple of days. A certification listing is not a launch, but it keeps a wider release on the table for buyers outside China.
AI-generated image.
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Researched and cross-referenced against primary sources by the Bytevyte editorial team. This article was generated with the assistance of artificial intelligence and reviewed by the Bytevyte editorial team.