OPPO ETE51 & ETE52

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OPPO Enco Air3 Pro True Wireless Earbuds User Manual

Model: ETE51 & ETE52

1. Introduction

Thank you for choosing the OPPO Enco Air3 Pro True Wireless Earbuds. This manual provides detailed instructions on how to set up, operate, maintain, and troubleshoot your earbuds to ensure optimal performance and longevity. Please read this manual thoroughly before using the product.

OPPO Enco Air3 Pro True Wireless Earbuds and Charging Case

Image: The OPPO Enco Air3 Pro earbuds resting in their open charging case, showcasing their sleek white design.

2. Setup

2.1 What's in the Box

  • OPPO Enco Air3 Pro Earbuds (Left and Right)
  • Charging Case
  • Charging Cable (Type-C)
  • Eartips (various sizes)
  • User Manual

2.2 Charging the Earbuds and Case

Before first use, fully charge the earbuds and the charging case. Place the earbuds into the charging case and close the lid. Connect the Type-C charging cable to the charging port on the case and a power source.

  • The indicator light on the case will show charging status.
  • A full charge provides up to 30 hours of listening time with the charging case.
  • A quick 10-minute charge can provide up to 2 hours of listening time.
OPPO Enco Air3 Pro Earbuds and Case with 30 hours playtime indicator

Image: The OPPO Enco Air3 Pro earbuds and charging case, illustrating the 30-hour total playtime capability.

2.3 Pairing with a Device

  1. Ensure the earbuds are in the charging case and the lid is open.
  2. Press and hold the function button on the charging case for 2 seconds until the indicator light flashes white, indicating pairing mode.
  3. On your device (smartphone, tablet, laptop), enable Bluetooth and search for "OPPO Enco Air3 Pro" in the list of available devices.
  4. Select the earbuds to connect. Once connected, the indicator light will turn solid white.

The earbuds support Bluetooth 5.3 for stable connectivity and can be paired with two devices simultaneously, allowing seamless switching between them.

OPPO Enco Air3 Pro Earbuds connected to a smartphone and a tablet

Image: The OPPO Enco Air3 Pro earbuds demonstrating simultaneous multi-device connection with a smartphone and a tablet.

3. Operating Instructions

3.1 Touch Controls

The earbuds feature intuitive touch controls on their stems. Default controls are as follows:

  • Double Tap: Play/Pause music, Answer/End call.
  • Triple Tap: Skip to next track.
  • Press and Hold (Left Earbud): Toggle Active Noise Cancellation (ANC) / Transparency Mode.
  • Press and Hold (Right Earbud): Activate Voice Assistant.
  • Slide Up/Down: Adjust volume (requires customization via HeyMelody app).

For customized touch controls and additional features, download the HeyMelody app from your device's app store.

3.2 Active Noise Cancellation (ANC)

The OPPO Enco Air3 Pro features flagship-grade 49 dB Active Noise Cancellation. This technology effectively reduces ambient noise, providing an immersive listening experience. Adaptive ANC intelligently adjusts noise cancellation levels based on your environment (home, office, on the go) for optimal comfort.

OPPO Enco Air3 Pro Earbud with 49dB Ultra Deep ANC text

Image: A single OPPO Enco Air3 Pro earbud with a visual representation of 49dB Ultra Deep Active Noise Cancellation.

3.3 Sound Quality and Features

  • Bamboo Fiber Diaphragm: The earbuds utilize an industry-first composite bamboo fiber in the treble dome of the sound unit, enhancing high-frequency detail and reducing distortion for a natural sound reproduction.
  • 12.4mm Dynamic Drivers: Large dynamic drivers deliver powerful and dynamic audio.
  • Hi-Res Audio with LDAC: Supports Hi-Res audio and LDAC codec for high-fidelity sound quality (requires compatible device).
  • Spatial Sound Effects: Experience enhanced spatial audio for a more immersive listening experience.
Close-up of the World's 1st Bamboo Fiber Diaphragm in OPPO Enco Air3 Pro

Image: A detailed cross-section view of the earbud's driver, highlighting the innovative bamboo fiber diaphragm.

3.4 Ultra-Low Latency Gaming Mode

Activate the exclusive game mode for an ultra-low latency of 47ms, ensuring synchronized audio and visuals during gaming. This feature provides a competitive edge by minimizing audio delay.

OPPO Enco Air3 Pro Earbuds with a smartphone displaying a racing game, illustrating low latency gaming

Image: The OPPO Enco Air3 Pro earbuds positioned next to a smartphone displaying a racing game, demonstrating the 47ms ultra-low latency gaming mode.

4. Maintenance

4.1 Cleaning and Care

  • Regularly clean the earbuds, eartips, and charging contacts with a soft, dry, lint-free cloth.
  • Remove eartips and clean any earwax or debris from the earbud nozzles using a small brush or cotton swab.
  • Do not use abrasive cleaners, alcohol, or chemical solvents.

4.2 Water and Dust Resistance

The OPPO Enco Air3 Pro earbuds are rated IP55 for dust and water resistance. This means they are protected against limited dust ingress and low-pressure water jets from any direction. They are suitable for exercise and light rain, but are not designed for swimming or showering. The charging case is not water-resistant.

OPPO Enco Air3 Pro Earbuds with water droplets, indicating IP55 dustproof and waterproof rating

Image: The OPPO Enco Air3 Pro earbuds with water droplets, visually representing their IP55 dustproof and waterproof capabilities.

4.3 Battery Care

  • Store the earbuds and case in a cool, dry place away from extreme temperatures.
  • Avoid fully discharging the battery frequently. Charge them regularly, even if not in use for extended periods.

5. Troubleshooting

ProblemPossible Solution
Earbuds not pairingEnsure earbuds are charged. Place them in the case, open the lid, and press the function button for 2 seconds to enter pairing mode. Check if Bluetooth is enabled on your device.
No sound from one earbudPlace both earbuds back into the charging case, close the lid, wait a few seconds, then open it again. Reconnect to your device. Ensure both earbuds are charged.
Poor sound qualityEnsure eartips are properly sealed in your ear. Clean earbud nozzles. Try different eartip sizes. Move closer to your device to avoid interference.
ANC not working effectivelyEnsure earbuds are properly seated in your ears for a good seal. Toggle ANC on/off using touch controls or the HeyMelody app.
Earbuds not chargingCheck the charging cable and power adapter. Ensure charging contacts on earbuds and case are clean and dry.

If the issue persists, try resetting the earbuds (refer to the HeyMelody app or OPPO support website for specific reset instructions) or contact customer support.

6. Specifications

FeatureDetail
Model NumbersETE51 & ETE52
ConnectivityBluetooth 5.3
Bluetooth Range10 Metres
Noise ControlActive Noise Cancellation (up to 49 dB)
Audio Driver Size12.4 mm Dynamic Driver
Audio Latency47 Milliseconds (Gaming Mode)
Battery Life (Earbuds + Case)Up to 30 Hours
Fast Charge10 min charge for 2 hours playtime
Water ResistanceIP55 (Earbuds only)
Control TypeTouch Control, Voice Control, Volume Control
Weight40 Grams
MaterialPlastic
Included ComponentsCharging Cable Type-C, User Manual, Eartips

7. Warranty and Support

7.1 Warranty Information

Your OPPO Enco Air3 Pro earbuds come with a 1-year manufacturer's warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.

The product is eligible for a 10-day service center replacement in case of manufacturing defects.

7.2 Customer Support

For technical assistance, warranty claims, or further inquiries, please contact OPPO customer support through their official website or the contact information provided in your product packaging. You may also visit an authorized OPPO service center.

Manufacturer: OPPO, Guangdong Oppo Mobile Telecommunications Corp, Ltd. NO.18, HAIBIN ROAD, WUSHA, CHANGAN, DONGUAN, GUANGDONG, China.

Importer: Oppo Mobiles India Private Limited 5th Floor, Tower-B, Building No. 8, DLF Cyber City, Gurugram, Haryana-122002, India.

© 2024 OPPO. All rights reserved.

This manual is for informational purposes only. Specifications are subject to change without notice.

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