OPPO Enco X
Enco X True Wireless Noise Cancelling Earphones
Black*
The above image is for reference only. Please refer to the actual product for all
criteria.
Earphone
Type：In-ear True WirelessModel
(earphones)：ETI51Colour：Black/GreenModel (charging
case)：ETI52
Audio quality
Driver：φ11mm dynamic driver + φ6mm balanced membrane driverSpeaker sensitivity：104dB@1KhzFrequency response range：20Hz ~
20kHzAudio codec：Audio codec LHDC / AAC / SBC
Noise cancellation
Noise control modes：Max Noise Cancellation /Noise
Cancellation/Transparency/Noise Cancellation Off
Bluetooth®
Binaural Low-Latency Bluetooth® Transmission ：SupportedBluetooth® version：Bluetooth® 5.2Effective Bluetooth®
range：10m
Battery Life
Battery type：Rechargeable lithium-ion batteryBattery capacity：44 mAh (earphones)/535 mAh (charging case)Music
play time (50% volume)*：Strong noise cancellation mode: 4 h (single charge)/20 h (with charging
case)，Noise cancellation off: 5.5 h (single charge)/25 h (with charging case)
Charging
Cable Charge Time*：80min（earphones）丨110min（charging case）Charging port：USB Type-CWireless charger：Qi wireless charging
supported.
Size
Weight (each ear)：4.8g（±0.2g）Weight (charging
case)：42.5（±0.5g）Weight (entire device)：52.5（±1g）Charging case size (length * width * thickness)：66.3*49*21.7mm
Water and dust resistance
Water and dust resistance - Earphone：IP54
