OPPO Enco Air 224 Hours Battery Life / AI Call Noise Cancelling /13.4 mm dynamic driver

Water and dust resistance(enco air 2):IPX4

Codecs(enco air 2):??AAC/SBC

Audio quality (enco air 2)Driver: 13.4 mm dynamic driver
Driver sensitivity: 128±3 dB at 1 kHz
Frequency response range: 20 Hz - 20 kHz
Speaker sensitivity: 110.5 ±3dB@1kHz

Frequency response range: 20Hz ~ 40kHz

Bluetooth(enco air 2)Bluetooth version: 5.2
Bluetooth range: 10 m

Battery Capacity(enco air 2)Battery type: Rechargeable lithium-ion battery
Battery capacity: 27 mAh (earbuds) / 440 mAh (charging case)

Play Time (enco air 2)Music play time (50% volume): 4 h (single charge) / 24 h (with charging case)
Charging time: 1.5 h (earbuds) /?2 h (earbuds + charging case)
Charging port: Type-C

Size(enco air 2)
eight (entire device):?39.9 g
Size (Charging Case): 60.0 mm*53.2 mm*23.5 mm
Size (Earbud): 35.8 mm*18.9 mm*17.7 mm
Size (Package): 120 mm*120 mm*38 mm

What's in the box?(enco air 2)

1*oppo enco air 21*user guide