Oppo Enco Buds ETI81

24 h Battery Life

Intelligent Call Noise Reduction

Open-Up Auto Connection

Low-Latency Game Mode

Earphone

Model: ETI81

Charging case model: ETI82

Audio quality

Driver: 8 mm dynamic driver

Driver sensitivity: 100.6 dB @ 1 kHz

Frequency response range: 20 Hz - 20 kHz

Bluetooth

Bluetooth codec: AAC/SBC

Bluetooth version: 5.2

Bluetooth range: 10 m

Battery Life

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

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.

Water and dust resistance

Dust & water resistance (Earbuds): IP54

Size

Weight: 4.0 g/Earbud，37.0 g/Charging Case, 45.0 g/

HeadphonesSize (Charging Case): 67.0 mm*40.4 mm*27.2 mm

Size (Earbud): 22.2 mm*19.6 mm*22.7 mm

Size (Package): 120 mm*120 mm*36 mm