The above image is for reference only. Please refer to the actual product for all criteria.
Model: ETI81 Charging case model: ETI82
Driver: 8 mm dynamic driver Driver sensitivity: 100.6 dB @ 1 kHz Frequency response range: 20 Hz - 20 kHz
Bluetooth codec: AAC/SBC Bluetooth version: 5.2 Bluetooth range: 10 m
Battery type: Rechargeable Li-ion Cell Battery capacity: 40 mAh (Earbuds) / 400 mAh (Charging Case) Music play time (50% volume): 6 h (single charge)/ 24 h (with Charging Case) Communication time (50% volume): 4 h (single charge)/ 15 h (with Charging Case)
Charging time: 120 min (Earbuds)/ 150 min (Earbuds +Charging Case)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. The charging cable is not included in the product package.
Water and dust resistance
Dust & water resistance (Earbuds): IP54
Weight: 4.0 g/Earbud，37.0 g/Charging Case, 45.0 g/HeadphonesSize (Charging Case): 67.0 mm*40.4 mm*27.2 mmSize (Earbud): 22.2 mm*19.6 mm*22.7 mmSize (Package): 120 mm*120 mm*36 mm