Oppo Enco M31 vs boAt Airdopes 402 – Key Differences & Best Choice (2026)

12 Months Warranty. LHDC Wireless Transmission. IP54 Dust and Water Resistance. Qi wireless charging supported. Binaural Low Latency Bluetooth Transmission. Co-Created with Dynaudio, Call Noise Cancellation. Transparency Mode, Dual Core, Dual Mic Noise Cancellation. You can also Activate Your Voice Assistant with Touch Controls.

IPX4 Water and Sweat Resistant â€“ Adapt to the arena with IPX4 rated water and sweat resistance and groove on carefree. Activate Voice Assistant â€“ Experience single touch voice assistant for a smarter auditory time. Voice Assistant - Long Press the CTC for 2 seconds to activate voice assistant. Tap into instant wireless connectivity with Bluetooth V5.0. The power-packed earbuds offer a playtime of up to 4 hours per charge. Easy Access Touch Controls: Airdopes 402 offers a seamless user experience with its easy access advanced touch controls and built-in mic. Airdopes 402 offers a nonstop playback of up to 4H with each charge and an additional 12H playtime with the included charging case. Immersive Audio â€“ The powerful dynamic drivers of Airdopes 402 offer immersive audio bliss. The diminutive & detailed earbud design with capacitive touch control readies you up to head into the eye of the storm with Nirvana.

Key Differences

The driver size differs between the two (10 mm vs 11.8 mm), which can influence sound depth, bass response, and overall audio clarity. The frequency response differs (20 Hz - 20000 Hz vs 20 Hz ~ 20000 kHz), which can influence how well the headphones reproduce lows, mids, and highs. boAt Airdopes 402 uses Bluetooth 5.0 + EDR while Oppo Enco M31 supports Bluetooth 5.0, which can impact connectivity stability and efficiency. Both headphones are designed for comfort and can be used for extended listening sessions without major discomfort. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. boAt Airdopes 402 and Oppo Enco M31 are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. Battery life varies between the two (4 Hours vs 24 Hours), which affects how long you can use them on a single charge. boAt Airdopes 402 and Oppo Enco M31 offer different noise cancellation capabilities (Activate vs Max), which can impact how effectively they block external noise.

Verdict: Both models are competitive, and your decision should be based on your usage needs and preferred features.

Top Differences

Battery Life: 4 Hours vs 24 Hours
Noise Cancelling: Activate vs Max
Driver Size: 10 mm vs 11.8 mm

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Key Differences

Top Differences