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Oppo Enco Air 3s specifications and in-depth review

Oppo Enco Air 3s

Manufacturer: Oppo

The Oppo Enco Air 3s are true wireless earbuds designed for everyday use, offering a lightweight build at just 7.4 g per earbud. With multipoint connectivity supporting two devices simultaneously, they handle switching between sources without requiring manual re-pairing. Fast charging support and USB Type-C charging add practical convenience, while the included travel bag makes them easy to carry on the go.

On the technical side, the Enco Air 3s use a 13.4 mm dynamic driver covering a frequency range of 20 Hz to 20,000 Hz, with a sound pressure level rated at 125 dB/mW. Bluetooth 5.3 provides the wireless connection with a maximum range of 10 m and an audio latency of 47 ms, and AAC codec support is included. The earbuds carry an IP54 rating for resistance against sweat and dust. Battery capacity sits at 27 mAh per earbud, with the charging case holding 300 mAh for a combined total of up to 25 hours of use. A noise-canceling microphone with a sensitivity of -38 dBV/Pa is built in, and the earbuds support find-device functionality along with voice prompts and a mute function.

Pros
  • Supports multipoint connection to two devices at the same time, allowing seamless use across different sources
  • Includes a find-device feature, which helps locate misplaced earbuds
  • Fast charging is supported, reducing downtime between uses
  • At 7.4 g per earbud, the lightweight build suits extended wear
  • IP54 rating provides reliable protection against sweat, making them suitable for physical activity
  • A travel bag is included in the box, adding practical storage convenience
Cons
  • No active noise cancellation or passive noise isolation, leaving the listener fully exposed to ambient sound
  • Wireless charging is not supported, requiring a wired connection to recharge the case
  • Maximum Bluetooth range is limited to 10 m, which restricts movement from the connected device
  • No in-ear detection means music does not pause automatically when earbuds are removed
  • The 6-hour per-charge battery life on the earbuds themselves is relatively modest for extended listening sessions
Who is this for?

These earbuds are a practical fit for users who want a lightweight, wire-free listening experience for daily commutes, casual use, or light workouts, given their IP54 sweat resistance and 7.4 g per-earbud weight. The multipoint connectivity supporting two devices makes them well-suited to people who regularly switch between a phone and a laptop without wanting to re-pair manually. Those who frequently take calls on the go will also find value in the noise-canceling microphone and mute function, along with the convenience of fast charging when battery levels run low.

Who is this NOT for?

Users who require active noise cancellation or passive noise isolation — such as frequent travellers, commuters in loud environments, or anyone needing focused listening — will find these earbuds fall short, as neither feature is present. Audiophiles or users who rely on high-resolution audio codecs like LDAC or aptX will also be underserved, since only AAC is supported alongside the standard SBC fallback. Additionally, the 10 m Bluetooth range and 6-hour per-charge playback make these a poor match for users who need extended wireless freedom or long uninterrupted listening sessions without access to the charging case.

Design:

Fit Earbud
Ingress Protection (IP) rating IP54
water resistance Sweat resistant
weight 7.4 g
has no wires or cables ✓
are neckband earbuds ✕
wingtips included ✕
has stereo speakers ✓

The Oppo Enco Air 3s follow a standard earbud fit and are fully wireless, with no neckband or wingtips included. Each earbud weighs just 7.4 g, keeping the overall design light and minimal. They carry an IP54 ingress protection rating, making them resistant to sweat, which suits active everyday use. Stereo speakers are present, while the absence of a neckband confirms the compact, cable-free form factor.

Sound quality:

has active noise cancellation (ANC) ✕
has passive noise reduction ✕
driver unit size 13.4 mm
lowest frequency 20 Hz
highest frequency 20000 Hz
sound pressure level 125 dB/mW
has a neodymium magnet ✕

The Oppo Enco Air 3s use a 13.4 mm driver unit and cover a frequency range of 20 Hz to 20,000 Hz, spanning the full standard range of human hearing. The sound pressure level is rated at 125 dB/mW, indicating a relatively high output ceiling. Neither active noise cancellation nor passive noise reduction is present, and the drivers do not use a neodymium magnet.

Power:

Battery life 6 hours
Battery life of charging case 19 hours
charge time 1.2 hours
battery power 27 mAh
battery power (charging case) 300mAh
has wireless charging ✕
has a battery level indicator ✓
has a rechargeable battery ✓

Each earbud holds a 27 mAh rechargeable battery delivering up to 6 hours of playback, while the 300 mAh charging case contributes an additional 19 hours, bringing the total potential usage time to 25 hours. A full charge takes 1.2 hours, and a battery level indicator is included to help track remaining power. Wireless charging is not supported, so the case relies on a wired connection to recharge.

Connectivity:

has fast pairing ✓
Has USB Type-C ✓
Bluetooth version 5.3
has LDAC ✕
has LDHC ✕
has aptX Adaptive ✕
has aptX Low Latency ✕
has aptX HD ✕
has aptX ✕
has aptX Lossless ✕
audio latency 47 ms
has aptX Voice ✕
maximum Bluetooth range 10 m
supports Bluetooth pairing using NFC ✕
Can be used wirelessly ✓
has AAC ✓

The Oppo Enco Air 3s connect wirelessly via Bluetooth 5.3, with a maximum range of 10 m and an audio latency of 47 ms. Fast pairing is supported, while NFC pairing is not. The AAC codec is available, but LDAC, LDHC, aptX, aptX HD, aptX Adaptive, aptX Low Latency, aptX Lossless, and aptX Voice are all absent. USB Type-C is used for wired charging, and the earbuds can otherwise be used entirely wirelessly.

Features:

has ambient sound mode ✕
has in/on-ear detection ✕
has find device feature ✓
Supports fast charging ✓
multipoint count 2
has a mute function ✓
can be used as a headset ✓
control panel placed on a device ✓
Has voice prompts ✓
travel bag is included ✓
Has an in-line control panel ✕
Has a temperature sensor ✕

The Oppo Enco Air 3s support multipoint connection across two devices simultaneously and can function as a headset for calls, with a mute function available during use. Fast charging is supported, and a find-device feature is included for locating misplaced earbuds. Controls are handled through a panel on the earbuds themselves rather than an in-line remote, and voice prompts provide audio feedback. Ambient sound mode, in-ear detection, and a body temperature sensor are not present. A travel bag is included in the box.

Microphone:

has a noise-canceling microphone ✓
mic sensitivity -38dBV/Pa

The Oppo Enco Air 3s feature a noise-canceling microphone for call use, with a sensitivity rated at -38 dBV/Pa, which reflects the microphone's ability to pick up sound at a given input level.

Final Verdict

The Oppo Enco Air 3s present a straightforward set of specifications aimed at everyday casual use rather than demanding audio scenarios. Their lightweight build, IP54 sweat resistance, and dual-device multipoint connectivity make them a sensible choice for users who value convenience and flexibility in daily routines. The inclusion of fast charging, a noise-canceling microphone, and a travel bag rounds out a practical feature set. However, the absence of noise cancellation, limited codec support, and modest per-charge battery life mean these earbuds are best approached with realistic expectations about their scope. For users whose needs align with what the Enco Air 3s genuinely offer — a light, wire-free companion for calls and casual listening — they deliver a coherent and functional package.

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