oppo enco free 3

bluetooth 5.3

49db active noise cancellation

up to 30 hours of music playback per charge

bamboo fiber driver

12.5mm dynamic driver

IP54 Dust and water resistant

Driver sensitivity 107±1dB@1kHz

Frequency response range 20 Hz - 40 kHz

Codecs LADC/LC3/AAC/SBC

Bluetooth range 10 m

Microphone sensitivity -38 dBV/Pa

Battery capacity 43mAh (earbuds) / 440mAh (charging case)