OPPO Enco Air3i (ETE91)
 | Outdated Product An affordable offer for the shelf of TWS in-ear headphones with support for 3D surround sound from OPPO Alive Audio. In the “inside” of each earphone there are 13.4 mm dynamic titanium drivers with a frequency range of 20 Hz to 20 kHz. Their sound is clean and extremely versatile, and for deeper development of the lower frequencies, the model provides a Bass Boost function. Mobile gamers will appreciate the model's minimal signal latency (47 ms). OPPO Enco Air3i is connected via Bluetooth v5.3 with a stable connection radius of up to 10 m in line of sight. The headphones support popular AAC and SBC codecs. But the model does not provide noise reduction. However, the ENC noise reduction function is available in the built-in microphones of the headphones. W...hen playing music, you should expect approximately 5.5 hours of battery life from the headphones. The case extends battery life up to 35 hours at a time. By the way, the lid in the case is translucent. The headphones are protected from moisture in accordance with the requirements of the IPX4 standard - you can get into the rain and play sports in them, nothing more. |
We recommend products in stockHeadphones OPPO →
inserts, wireless, true wireless, Bluetooth v5.3, active noise cancellation, voice assistant, waterproof, 20 – 20000 Hz, 13 Ohm, battery: 55 mAh, up to 8 h
inserts, wireless, true wireless, Bluetooth v5.3, AAC, waterproof, 20 – 20000 Hz, battery: up to 7 h, with case + 24 h
inserts, wireless, true wireless, Bluetooth v5.1, 20 – 20000 Hz, battery: 30 mAh, up to 3.5 h, with case + 20 h
inserts, wireless, true wireless, Bluetooth v5.0, voice assistant, waterproof, 20 – 20000 Hz, 32 Ohm, battery: 30 mAh, up to 3.5 h, with case + 20 h
inserts, wireless, true wireless, Bluetooth v5.3, active noise cancellation, voice assistant, waterproof, 20 – 20000 Hz, 13 Ohm, battery: 55 mAh, up to 8 h
inserts, wireless, true wireless, Bluetooth v5.3, active noise cancellation, voice assistant, waterproof, 20 – 20000 Hz, 32 Ohm, battery: 54 mAh, up to 6 h, with case + 5 hours with Adaptive ANC
inserts, wireless, true wireless, Bluetooth v5.3, AAC, waterproof, 25 – 15000 Hz, battery: 35 mAh, up to 6 h, with case + 24 h
inserts, wireless, true wireless, Bluetooth, voice assistant, 20 – 20000 Hz, 32 Ohm, battery: up to 6 h, with case + 24 h
inserts, wireless, true wireless, Bluetooth v5.0, 20 – 20000 Hz, battery: up to 5 h, with case + 14 h
inserts, wireless, true wireless, Bluetooth v5.4, AAC, waterproof, 20 – 20000 Hz, battery: up to 7 h, with case + 28 h
inserts, wireless, true wireless, Bluetooth v5.2, AAC, voice assistant, waterproof, 20 – 20000 Hz, 32 Ohm, battery: with case + 32 h
inserts, wireless, true wireless, Bluetooth v5.4, waterproof, 20 – 20000 Hz, 32 Ohm, 3 mW, battery: up to 5.5 h, with case + 30 h
inserts, wireless, true wireless, Bluetooth v5.2, active noise cancellation, waterproof, 20 – 20000 Hz, 32 Ohm, battery: 55 mAh, up to 8 h, with case + 24 h
inserts, wireless, true wireless, Bluetooth v5.0, waterproof, 20 – 20000 Hz, 32 Ohm, battery: up to 4 h, with case + 22 h
inserts, wireless, true wireless, Bluetooth v5.4, AAC, voice assistant, waterproof, 20 – 20000 Hz, 35 Ohm, battery: 35 mAh, up to 7 h, with case + 26 h
OPPO Enco Air3i
Type:earbuds
Connection:Bluetooth v5.3
Кодеки:AAC
Frequencies:20 – 20000 Hz
Sensitivity:128 dB
Battery:32 mAh, up to 5.5 h, with case 35 h
Gaming mode with low audio latency (47ms). Translucent case cover. Bluetooth v5.3. AAC codec support. Surround sound support. Long battery life.
An affordable offer for the shelf of TWS in-ear headphones with support for 3D surround sound from OPPO Alive Audio. In the “inside” of each earphone there are 13.4 mm dynamic titanium drivers with a frequency range of 20 Hz to 20 kHz. Their sound is clean and extremely versatile, and for deeper development of the lower frequencies, the model provides a Bass Boost function.
Mobile gamers will appreciate the model's minimal signal latency (47 ms). OPPO Enco Air3i is connected via Bluetooth v5.3 with a stable connection radius of up to 10 m in line of sight. The headphones support popular AAC and SBC codecs. But the model does not provide noise reduction. However, the ENC noise reduction function is available in the built-in microphones of the headphones.
When playing music, you should expect approximately 5.5 hours of battery life from the headphones. The case extends battery life up to 35 hours at a time. By the way, the lid in the case is translucent. The headphones are protected from moisture in accordance with the requirements of the IPX4 standard - you can get into the rain and play sports in them, nothing more.
All specifications
Specifications Enco Air3i
|
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
E-Catalog UK editor, Headphones
Olexandr Cherkashche…, edited 08.04.2026
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog OPPO 2026 - new arrivals, bestsellers, and the most relevant models OPPO.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog OPPO 2026 - new arrivals, bestsellers, and the most relevant models OPPO.
