OPPO Enco Air3s

HiFi 5 DSP for Audiophile-Grade Processing

13.4mm Large Composite Driver

OPPO Alive Audio

AI Deep Noise Cancellation for Calls

Dual-Device Connection

Binaural Low-latency with Bluetooth® 5.3 Transmission

Champagne Gold

* The above image is for reference only. Please refer to the actual product for all criteria.

Earphone

Model: ETE81 Charging case model: ETE82

Audio Quality

Driver: φ13.4mm Dynamic Unit Driver sensitivity: 125±3dB @1KHz Frequency response range: 20~20KHz Microphone sensitivity: -38dBV/Pa

Bluetooth®

Bluetooth® codec: AAC/SBC Bluetooth® version: Bluetooth® 5.3 Bluetooth® range: 10m

Battery Life

Battery type: Rechargeable Lithium-ion Battery Battery capacity: 27mAh (earbuds) / 300mAh (charging case) Communication time (50% volume): 6H (single charge) / 25H (with charging case)

Charging

Charging time*: 1.2H (earbuds) / 2H (earbuds + charging case) Charging input (charging case): 5V ⎓ 1A Charging output (charging case to earbuds): 5V ⎓ 0.4A Charging port: USB Type-C * The above specifications were obtained based on tests performed in OPPO laboratories. Charging times were tested in OPPO laboratories at a temperature of 25°C using an OPPO standard charger. The actual results may differ slightly depending on environmental factors and the charger used.

Water and dust resistance

Water resistance (earbuds): IP54

Size

Weight (earbud): 3.7g±0.1g Weight (earbuds + charging case): 37.2g±0.2g Size (earbud): 33.1mm * 18.45mm * 17.10mm Size (charging case): 56.55mm * 51.6mm * 26mm