The Oppo Enco Air 4i earbuds feature an in-ear fit, offering comfort and stability during use. With an IP55 water resistance rating, they provide protection against dust and water, making them suitable for everyday use in various environments. Weighing just 8.6g, these true wireless earbuds are lightweight and free of any cables, ensuring a hassle-free experience. Additionally, they are equipped with stereo speakers for rich audio quality, but lack features like RGB lighting or a display.
The Oppo Enco Air 4i earbuds deliver high-quality sound with a 12.4mm driver unit, producing audio across a frequency range from 20 Hz to 20,000 Hz. These earbuds feature both active noise cancellation (ANC) and passive noise reduction for an immersive listening experience. However, they do not support features like spatial audio, Dolby Atmos, or Dirac Virtuo.
The Oppo Enco Air 4i offers a solid battery performance, providing up to 12 hours of battery life on a full charge. The included charging case extends usage to a total of 42 hours. When using active noise cancellation (ANC), the battery life drops to 8 hours. The earbuds have a 2-hour charge time and come with a 560mAh charging case. A battery level indicator is included, but wireless charging and solar power are not supported.
The Oppo Enco Air 4i features Bluetooth 5.4 for reliable connectivity and offers fast pairing for quick setup. The earbuds also support the AAC codec for high-quality audio streaming. They have a maximum Bluetooth range of 10 meters and an audio latency of 47 ms, but do not support advanced Bluetooth features like LDAC, aptX, or NFC pairing.
The Oppo Enco Air 4i comes with a variety of useful features, including ambient sound mode for better situational awareness and a find device feature to locate misplaced earbuds. They support fast charging for quick power-ups and offer multipoint connectivity for pairing with two devices simultaneously. Other features include a mute function, voice prompts, and a travel bag for easy storage, though it lacks in-ear detection, the ability to read notifications, or an in-line control panel.
The Oppo Enco Air 4i is equipped with two microphones to enhance audio capture during calls or recordings. While it does not feature a noise-canceling microphone, it offers a microphone sensitivity of -38dBV/Pa, ensuring clear voice transmission in a variety of situations.