Earphones----OPPO Enco Air2 Pro
Form factor: True wireless earbuds
Earbuds model: ETE21
Colors: White, Gray
Charging case model: ETE22
Sound quality
Dynamic driver: 12.4 mm
Speaker sensitivity: 110.5 ± 3 dB at 1 kHz
Frequency response range: 20 Hz to 20 kHz
Bluetooth codec: AAC/SBC
Noise cancellation
Mode: Noise cancellation/Transparency
Noise cancellation for calls: Dual-mic, AI noise cancellation
Microphone sensitivity: -38 dBV/Pa
Bluetooth
Version: BT 5.2
Range: 10 meters
Battery
Type: Rechargeable lithium-ion battery
Capacity: 43 mAh (earbuds)/440 mAh (charging case)
Music playback time (AAC, default settings, 50% volume)*:
Noise cancellation on: 5 hours (single charge); 20 hours (charging case)
Noise cancellation off: 7 hours (single charge); 28 hours (charging case)
Charging
Charging time*: 90 minutes (earbuds) / 120 minutes (earbuds + charging case)
Charging port: USB Type-C
Charging input (charging case): 5 V⎓1 A
Charging output (charging case): 5 V⎓200 mA
* All these specifications were obtained based on tests performed by OPPO laboratories. The battery capacity, music playback time, and charging time were tested in OPPO laboratories at a temperature of 25℃ using an OPPO standard charger. The actual results may differ slightly depending on environmental factors and the charger used.
Weight & dimensions
Single-earbud weight: 4.3 g (± 0.2 g)
Charging case weight: 34.2 g (± 1 g)
Product weight: 42.8 g (± 1 g)
Charging case dimensions: 66.84 x 51.45 x 25.04 mm
Water and dust resistance
Water and dust resistance (earbuds): IP54