- 32dB active noise cancellation at an entry-level price, roughly Rs 2,600 at launch in China.
- 43 hours of total playback with the charging case; 12 hours per charge with ANC off, 8 hours with ANC on.
- IP55 dust and water resistance with a TÜV Rheinland-certified battery rated for 1,000 charge cycles.
Oppo's Enco Air4s is trying to change what you can expect from budget true wireless earbuds. For 179 yuan, or around Rs 2,600, it offers active noise cancellation, a 43-hour battery claim, and durability testing that sounds more like a rugged smartphone than earbuds. But here's the thing: this is a China launch, and Indian buyers are still waiting for local availability, pricing, and warranty details.
Oppo Enco Air4s Review: Overview and Key Specifications
The Enco Air4s is positioned below the Enco Air 4 Pro in Oppo's 2026 lineup. The Pro model has stronger 49dB ANC, while the Air4s makes do with 32dB - but it also undercuts the Pro significantly on price. So, who is this for? It's for first-time ANC buyers, commuters, and anyone who prioritizes battery life over flagship-grade noise cancellation.
| Specification | Details |
|---|---|
| Driver | 12.4mm dynamic driver per earbud |
| Active Noise Cancellation | Up to 32dB |
| Transparency Mode | Yes |
| Battery (earbuds, ANC off) | Up to 12 hours |
| Battery (earbuds, ANC/transparency on) | Up to 8 hours |
| Total battery with case | Up to 43 hours |
| Fast charging | 10 minutes = 4 hours playback |
| Battery certification | TÜV Rheinland, 1,000 charge cycles |
| Durability rating | IP55 dust and water resistance |
| Call noise reduction | Dual microphone with AI algorithms |
| Audio features | 360° Live Audio, 3 audio presets |
| Launch price (China) | 179 yuan (~Rs 2,600) |
Design and Build: Rugged Enough for Indian Summers
The Enco Air4s has an IP55 rating, meaning it can handle dust and low-pressure water jets. For Indian buyers, that means protection against sweat during commutes and light rain during the monsoon - though not full submersion. Now, Oppo says the earbuds survived exposure to temperatures as high as 55°C, which is reassuring in a country where summer heat can be brutal.
Durability Testing
Oppo claims the charging case has been through more than 20,000 open-and-close cycles, and both the case and earbuds have been drop-tested from 1.5 metres and 1.8 metres respectively. These are manufacturer claims, not independent test results, but they suggest Oppo is targeting longevity in a segment where earbuds often feel disposable.
Comfort and Fit
We don't have specific weight or fit details for the Air4s. Based on the Air4 Pro's design language, we expect a similar in-ear form factor with silicone tips, but that's an assumption. Indian buyers with smaller ear canals should wait for local reviews before committing.
Core Performance: ANC, Sound, and Call Quality
The headline feature is 32dB of active noise cancellation. Oppo says this reduces everyday sounds like conversations, traffic, and background music. But look, 32dB is entry-level ANC. It will soften a noisy Delhi metro or a busy street, but it won't silence a crying baby or a diesel bus idling next to you. The Enco Air 4 Pro, with 49dB ANC, is the better choice if isolation is your top priority.
Sound Quality
Each earbud uses a 12.4mm dynamic driver. The sources confirm support for 360° Live Audio and three audio presets, though detailed frequency response data isn't available yet. Early impressions from the China launch suggest a consumer-friendly tuning, but we haven't tested them in Indian conditions.
Call Quality
For calls, the Enco Air4s uses two microphones per earbud combined with AI algorithms to reduce surrounding noise. This is a dual-microphone setup, not the three-mic arrays found on pricier earbuds. In our experience, dual-mic AI noise reduction works well for indoor calls but struggles in heavy traffic or construction noise. Expect acceptable voice clarity for WhatsApp calls, not broadcast-grade audio.
Battery and Charging: The Real Selling Point
The Enco Air4s offers up to 12 hours of playback per charge with ANC off, and 8 hours with ANC or transparency mode enabled. With the charging case, total playback reaches 43 hours. That is exceptional for a budget pair. For context, most earbuds in this price range deliver 25–30 hours total.
| Usage Mode | Earbud Battery Life | Total with Case |
|---|---|---|
| ANC off | Up to 12 hours | Up to 43 hours |
| ANC on | Up to 8 hours | Not specified (approx. 28–30 hours) |
| Transparency on | Up to 8 hours | Not specified |
Oppo also claims a 10-minute charge provides 4 hours of listening time. The battery has TÜV Rheinland certification for maintaining consistent performance after 1,000 charge cycles. That means after roughly three years of daily charging, the battery should still hold a reasonable charge. This is a meaningful claim for budget buyers who plan to keep earbuds for a long time.
India-specific note: TÜV Rheinland certification is a manufacturer claim. Actual battery degradation depends on usage patterns, ambient temperature, and charging habits. Indian buyers in high-heat regions should avoid leaving the earbuds in a car dashboard, as sustained heat above 55°C could damage the battery despite the certification.
Features and Smart Functionality
The Enco Air4s supports transparency mode, which lets you hear your surroundings without removing the earbuds. This is useful for crossing busy streets or listening for announcements at railway stations. The earbuds also support 360° Live Audio, which is Oppo's take on spatial audio. But the sources do not specify whether this works with all apps or only with Oppo smartphones.
Companion App and Ecosystem Lock-in
Oppo typically pairs its Enco earbuds with the HeyMelody app or the built-in Bluetooth settings on ColorOS. The sources do not confirm app availability for the Air4s. Indian buyers using non-Oppo phones may need to install a third-party app, and some features like 360° Live Audio or low-latency game mode might be restricted to Oppo, OnePlus, or Realme devices. This is a common ecosystem lock-in tactic, and you should check compatibility before buying.
Pros and Cons
What We Like
- Battery life: 43 hours total is class-leading for the price. Even with ANC on, 8 hours per charge is enough for a full workday plus commute.
- Durability: IP55 rating and drop-test claims suggest the Air4s can survive daily rough use — a rare feature at this price.
- Fast charging: A 10-minute top-up for 4 hours of playback is genuinely useful for forgetful users.
- Price: At roughly Rs 2,600 in China, it undercuts most ANC earbuds in India by a significant margin.
What Could Be Better
- ANC depth: 32dB is entry-level. If you commute by metro or bus daily, you may want to spend more for 40dB+ ANC.
- India availability: As of now, there is no confirmed India launch date, pricing, or warranty support. Importing from China is risky.
- Ecosystem dependence: Some features may require an Oppo phone. Non-Oppo users might miss out on 360° Audio or custom EQ presets.
How It Compares to Rivals
At the expected India price of around Rs 2,500–3,000, the Enco Air4s will compete with the Realme Buds T300, the OnePlus Nord Buds 3, and the boAt Airdopes 800. Here's how they stack up based on available data:
| Earbuds | Price (approx.) | ANC | Battery (total) | Durability | Platform |
|---|---|---|---|---|---|
| Oppo Enco Air4s | Rs 2,600 (China) | 32dB | 43 hours | IP55 | Oppo/OnePlus/Realme app |
| Realme Buds T300 | Rs 2,999 | 30dB | 40 hours | IP55 | Realme Link |
| OnePlus Nord Buds 3 | Rs 2,999 | No ANC | 43 hours | IP55 | HeyMelody |
| boAt Airdopes 800 | Rs 2,499 | 32dB | 50 hours | IPX5 | boAt Hearable |
The Enco Air4s matches or beats the Realme Buds T300 on battery and ANC. It offers ANC where the OnePlus Nord Buds 3 does not. The boAt Airdopes 800 claims a higher 50-hour battery, but boAt's real-world battery life and ANC performance have historically been inconsistent. If the Air4s launches in India at under Rs 3,000, it becomes the default recommendation for budget ANC buyers.
Price and Availability in India
Oppo has not announced India pricing or availability for the Enco Air4s as of this writing. The China launch price is 179 yuan, which converts to roughly Rs 2,600. If Oppo brings it to India, expect a launch price between Rs 2,499 and Rs 2,999, based on the company's past pricing for the Enco Air series.
| Variant | Price (China) | Estimated India Price | Colors |
|---|---|---|---|
| Single SKU | 179 yuan (~Rs 2,600) | Rs 2,499–2,999 | Not confirmed |
Where to buy: If and when it launches in India, expect availability on Amazon, Flipkart, Croma, and Reliance Digital, along with Oppo's own online store. Launch offers typically include bank discounts (e.g., Rs 500 off on HDFC or SBI cards) and no-cost EMI options. However, none of these are confirmed for the Air4s.
India-specific limitation: The Enco Air4s has not received BIS certification yet, which is mandatory for Bluetooth devices sold in India. Until BIS approval is granted, official retail availability cannot happen. Any grey-market units sold via importers will not carry a local warranty, and service centre support will be unavailable.
Frequently Asked Questions
Does the Oppo Enco Air4s work with iPhones?
Yes, Bluetooth earbuds work with iPhones, but the companion app and features like 360° Audio may not be fully accessible on iOS.
Is the Enco Air4s better than the Enco Air 4 Pro?
No — the Air 4 Pro has stronger 49dB ANC and likely better sound tuning, but the Air4s offers longer battery life at a lower price.
Will the Enco Air4s be launched in India?
Oppo has not confirmed an India launch date; BIS certification and official pricing are still pending.
How long does the battery last with ANC on?
Up to 8 hours per charge with ANC or transparency mode enabled, per Oppo's official claims.
Is the Enco Air4s sweat-proof for gym use?
Yes, the IP55 rating covers sweat and light water splashes, but not full submersion.
Does the Enco Air4s have a warranty in India?
Only if officially launched in India; grey-market imports will not have local warranty coverage.
Final Verdict
The Oppo Enco Air4s could be the budget ANC earbuds to beat - if it reaches India at a competitive price. Its 43-hour battery life, IP55 durability, and 32dB ANC offer exceptional value for under Rs 3,000. But here's the catch: it's not officially available in India yet. If you can wait, the Enco Air4s might just become the best value TWS of 2026. And yet, the lack of confirmed India availability and potential ecosystem lock-in mean you should think twice before importing one. For now, the Realme Buds T300 remains a safer, locally available alternative.
Sources
- gizmochina.com
- instagram.com
- propakistani.pk
- facebook.com
- youtube.com
- vietnam.vn
- gadgets.beebom.com