OPPO Enco W51: Best ANC TWS under Rs. 5000

Along with the F17 Pro, OPPO launched its fourth TWS – Enco W51, the first with an Active Noise Cancellation (ANC) feature to gain a foothold in the rapidly growing TWS market. For Rs. 4,999, the Enco W51 boasts an in-ear design, Active Noise Cancellation, IP54 certification, and other big promises as well.

On the spec sheet, the Enco W51 seems to be a strong contender in the budget TWS earphones segment. But do they deliver? Read on to find out what we think about it.

OPPO Enco W51 specifications

  • Bluetooth 5.0 to connect to Android and iOS devices
  • 7mm driver
  • Touch controls for volume, call control, track change
  • Dual microphones for active noise cancellation, triple microphones for call noise reduction
  • Binaural Low-Latency Bluetooth Transmission
  • Water-resistant (IP54)
  • Weight: 4.6g for each headset; 55.5g for the case
  • 25mAh battery offers 4 hours (3.5h with ANC) of standalone music playback, 350mAh battery on the case offers 24h (20h with ANC) battery life, wireless charging case


Unlike Enco W31, the Enco W51 charging case features a squarish design with a glossy finish, making it prone to scratches. In terms of design, it is hard to find something extraordinary but you can’t find anything inappropriate either.

The case is light and easily pocketable, made of plastic, has a USB Type-C charging port with LED light indicator at the back. Notably, there is another LED light that sits inside the case above the pairing button. Overall, the case has a minimal yet functional design.

Opening the lid, we have the earbuds sitting flat in the charging case. In fact, the earbuds looks identical to the Enco W31, an unconventional yet premium design. The buds themselves are IP54 dust and water-resistant.

The in-ear design provides a secure fit, and they do not come off on their own. Both the earbuds are quite light, which makes it great to wear for binge-watching, thanks to the soft silicone ear tips. The stem offers good wear balance and better reach for the mic to pick up the voice clearly. The OPPO Enco W51 comes in Floral White and Starry Blue colours.

Features and setup

The OPPO Enco W51 has Bluetooth low-latency binaural transmission standard to greatly reduce any audio delay. As per the company claims, this significantly improves audio-to-video synchronisation, making audio lag and signal interference no longer an issue.

It has hybrid dual microphones that can achieve a noise reduction of 35dB even in crowded environments. Furthermore, the earbuds are designed for ear canal structures with a G3 ear curve for a comfortable experience. The Oppo Enco W51 also offers a low-latency mode for gaming as well as lag-free transmission.

To pair the device, you need to long-press the function button inside the lid to start the pairing process. Talking about the touch controls, double-tapping the left buds enables/disables the Active Noise Cancellation (ANC). Double-tap on the right earbuds lets you play the next song in the queue and triple tap on either side invokes voice assistant.

Notably, there are no on-bud volume controls, meaning you have to tweak volume from the source device. If you have an OPPO smartphone, you can customise the touch controls as well.


Each earbud is equipped with a 7mm dynamic driver to stream audio to your ears. The Enco W51 has a warm sound signature and produces. If you are a casual listener, you will surely enjoy it. The bass lacks clarity and sounds bit boomy and the treble doesn’t sound refined. However, it shows mids and highs some love too. OPPO has managed to tune it in the best way possible despite the limitations of the 7mm driver.

The Active Noise Cancellation (ANC) is decent in cutting down the environment noises until the highs, which can be heard clearly due to the ANC effectiveness. It also lacks the dual sound mode feature that was present in Enco W31. We tried Amazon Prime Video to check out latency issues and it turns out perfectly fine. It supports both SBC and AAC codecs. No support for Qualcomm’s AptX HD, bummer!

Moving on, the call quality is good without any connection issues or voice breaks. The voice quality is clear, not muffled, and the mics can cut-off wind noise and pick up my voice.


The OPPO Enco W51 has a 25mAh battery on each bud and a 350mAh battery on the case. In our usage, the W51 did fairly well, though it isn’t the longest endurance that we have seen s far in the TWS segment. With ANC, the earbuds lasted approximately 3 hours. With the case, we got around 12 to 13 hours before we charged the case again.


At Rs. 4,999, the OPPO Enco W51 is one of the best TWS available in the market considering its features, price, and of course the quality. It manages to offer good sound reproduction, ANC, wireless charging, and customisation options (exclusive for OPPO phones) at this price point. If you are looking for a TWS with great design, comfort and snug fit, decent audio quality, OPPO Enco W51 it is. It is available from Amazon.in.