Oppo Enco M31 TWS earphone Gray

SKU oppo-enco-m31-tws-earphone-green
Possibility to return:Yes, within 14 days to warehouse in USA / UK or EU
Length of warranty12 months
Warranty Extension:No
Processing time for warranty service from6 weeks
Processing time for warranty repair to12 weeks
$ 49.99
No tax included

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Frequently Asked Questions

Delivery dates are provided on every product page, below product name. When you'll click the dates, a calendar will appear.

AFTER YOU MAKE AN ORDER: These dates are also available at your customer area -> order history, and with the e-mail with order confirmation.

The price of the product is final, however, there may be costs when crossing the border of your country, depending on the type of declaration you submit. You can ask us for any customs declaration during the cart submission process, you can enter this value in the "Customs declaration" or "Comments" field. However, sometimes Customs will not respect these values so it is a good idea to be prepared to pay the domestic tax when your package arrives.

In EU and UK you are going to pay your country VAT from declared value (ex. 20% in UK) + small clearance fees depending on the delivery method, for details please ask local DHL, Fedex or UPS customs agency.

If you are a European citizen / entity and have an EORI number, you can deduct this tax later.

USA customers/entities do not pay tax.

In most cases we can ship to your country, you can check the cost after you'll add product of your choice to the cart (no purchase is needed).

Dear, this product is factory unlocked, should work in your country. If it's smartphone or have GSM model it might be wise to compare it's LTE/5G frequencies with the LTE/5G frequencies of your network to confirm coverage compatibility (they are listed in the product description). If frequencies aren't listed there, please contact us.

List of the package contents is usually listed at the end of the product description.

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14 days returns

Locally - to addresses in the UK, Germany or the USA (check exceptions)

12 +12 Months Warranty

Free guarantee up to 24 months for selected products (Check requirements)

100% Genuine

Only Original, *not* refurbished Products

  • LDAC Ultra-Clear Audio Transmission
    LDAC Ultra-Clear Audio TransmissionReproduce every drumbeat with subtle and rich details.
  • Certified Hi-Res Wireless Audio
    Certified Hi-Res Wireless AudioEnjoy your music clearly and vividly.
  • Bass Mode
    Bass ModeFeel the beat and immerse yourself in the music.
  • AI-Powered Noise Cancellation during Calls
    AI-Powered Noise Cancellation during CallsLet your voice be heard.
  • Up to 12-Hour Playback
    Up to 12-Hour Playback Listen to your soundtrack at a stretch.
  • IPX5 Water Resistance
    IPX5 Water ResistanceStay protected from splashing water and sweat.

Capture Every Drumbeat with Rich Details

Featuring LDAC audio coding technology and an embedded professional audio chip, OPPO Enco M31 headphones are able to deliver
three times more data than those other typical Bluetooth® coding technologies, with audio transmission speeds of up to 990kbps.
Listen to your favorite soundtrack and enjoy every subtle nuance.

LDAC Audio Coding Technology
Note: For the headphones to use LDAC transmission, the paired device must also support LDAC.

Enjoy Your Music Clearly and Vividly

OPPO Enco M31 headphones are equipped with full-range dynamic drivers and PET titanium-plated composite diaphragms to extend
the frequency range up to 40 KHz. Large, independent bass chambers boost low frequencies for powerful bass drops. All together,
these features make for an excellent audio experience as clearly as a live performance.

Certified Hi-Res Wireless Audio

Feel the Beat

A simple double-tap on the multi-function button to enter a world of rich and smooth bass. Feel the beat
and lose yourself in your music.

Feel the Beat

Let Your Voice Be Heard AI-Powered Noise Reduction during Calls

With our industry-leading AI-powered noise reduction during calls, you can make or take calls without needing to move to a quiet
spot. Through an abundance of data training and deep learning, this technology is able to distinguish your voice from background
noise so that you can always be heard clearly.

Let Your Voice Be Heard AI-Powered Noise Reduction during Calls

Listen in Comfort

Thanks to their ergonomically curved neckband and smooth surface, these headphones feel comfortable no matter how long you
wear them. Liquid silicone rubber surrounds a shape-memory metal core that never forgets the shape of your neck.

Listen in Comfort

Stay Protected from Splashing Water and SweatIPX5 Water Resistance

Don't let a little water keep you from enjoying your audio. Whether you're caught in the rain or sweating it out at the gym, your
headphones will be safe from splashing water and sweat damage.

Stay Protected from Splashing Water and Sweat

Listen at a StretchUp to 12-hour Play Time

On a full charge, OPPO Enco M31 can provide up to 12 hours of play time. If the battery is low and your time is short, don't worry –
just a 10-minute charge is enough for 3 hours of play time for LDAC audio.

Listen at a Stretch
Note: For standard SBC/AAC audio, play time is up to 12 hours. For LDAC audio, play time is up to 8 hours.

Start Listening Whenever You Want Smart Magnetic Power Controls

To save power, the headphones automatically disconnect from the paired device when you take
them off. When you put them on again, the connection is instantly restored so you can start listening
right away.

Start Listening Whenever You Want

Everything Right at Your Fingertips Multi-Function Panel

Control your headphones with ease without having to reach for your phone: change tracks, adjust the volume, activate voice assistant
and change audio mode.

Everything Right at Your Fingertips


Model (headphones)
9.2mm dynamic driver
Driver sensitivity
101.9dB @1kHz
Frequency response range
Microphone sensitivity
-38 dBV/Pa
Bluetooth® version
Wireless range
10 m
Battery type
Rechargeable lithium-ion battery
Battery capacity
88 mAh
Music play time (50% volume)
12 hours in typical audio format
8 hours in high-quality audio format
Talk time
6 hours
Charging time
1 hour
Charging port
Type C
Water resistance
Weight (Entire device)

1. For the headphones to use LDAC transmission, the paired device must also support LDAC.

2. "Typical" Bluetooth® data is based on Bluetooth A2DP SBC (328 Kbps, 44.1 kHz) standards. Different transmission speeds may be used by LDAC depending on your wireless environment.

3. Play time and charging time data are based on OPPO laboratory tests with standard OPPO chargers conducted at a controlled temperature of 25°C. Specific times for charging and use will vary according to actual circumstances and charger specifications.

4. "High-quality audio format" refers to LDAC and "Typical audio format" refers to non-LDAC formats. Devices running Android version 8.1 or higher support LDAC by default. For longer play time, you can turn off high-quality audio in your phone's Bluetooth® settings.

5. Due to performance characteristics of Bluetooth® headphones, electromagnetic interference in the surrounding environment may impact their signal stability.

6. IPX5 water resistance cannot guarantee protection under extreme conditions. Please avoid wearing the headphones during intense physical activity.

7. Voice assistant activation and power level checking capabilities are supported by OPPO smartphones running ColorOS version 6.0 or higher.

8. The quick pairing function is supported by OPPO smartphones running ColorOS version 7.0 or higher, excluding A Series, F Series, Reno2 Z, Reno2 F, R15, Reno3 (4G version) and Reno3 Pro (4G version).

9. The above product details and product data are for reference only. Some product specifications and descriptions may change for reasons including but not limited to supplier replacement. Please refer to the actual product for all criteria.

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