- Ultra-Wide Frequency Active Noise Cancellation
- Hi-Res Audio with LHDC 5.0
- Up to 44 Hours of Playback
- Bluetooth 5.4 Low Latency Transmission

Earphone
Model: ETEA1
Charging case model: ETEA1

Audio Quality
Driver: φ12.4mm Dynamic Driver
Driver sensitivity: 112 ± 3dB@1KHz
Frequency response range: 20~20KHz
Microphone sensitivity: -38dBV/Pa

Bluetooth®
Bluetooth® codec: LHDC 5.0/AAC/SBC
Bluetooth® version: Bluetooth® 5.4
Bluetooth® range: 10m

Battery Life
Battery type: Rechargeable Li-ion Cell
Battery capacity: 58mAh (earbuds) /440mAh (charging case)
Music play time (AAC, Default setting, 50% volume)*: Max Noise Cancellation: 5.5 h (earbuds), 20 h (earbuds + charging case), Noise Cancellation Off: 12 h (earbuds), 44 h (earbuds + charging case)

Charging
Charging time*: 60min (earbuds) /80min (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): IP55

Size
Weight (earbud): 4.4g ± 0.1g
Weight (earbuds + charging case): 47.0g ± 0.2g
Size (earbud): 29.9mm * 20.30mm * 23.87mm
Size (charging case): 66.60mm * 51.24mm * 24.83mm