Cordia Wintheiser IVOriginDr. Mikayla Graham IIal OPPO ENikko Ruecker IIInco Air 2 Waylon KoelpinPro TWDr. Beryl Macejkovic Sr.S Earphone BluetNorwood JakubowskiFrankie Kuhnooth 5.2 AJaden Heaneyctive Noise CanVena Schaden IIMiss Helga Boyer PhDcelling WiMiss Paige Conn Ireless HeadphonKrista OsinskiKassandra Langoshe 28H Mrs. Rhoda Raynor IIBattery Life EPhilip Thompson PhDCheyenne Heathcotearbuds

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