OPPO Enco X4

Tips: This headset uses a Type-C charging interface, and the package is not equipped with a charging cable and charger.

This is the Chinese mainland version.

Product Model: ETEM1
Drivers: 11mm dynamic bass driver + 6mm tweeter
Speaker Sensitivity: Bass: 122+2 dB, 0.3V 711 @ 1 kHz; Tweeter: 108 dB+8 dB, 0.3V 711 @ 10 kHz
Frequency Response Range: 10 Hz–40 kHz
Microphone Sensitivity: -37 dBFS
Bluetooth Codecs: AAC/SBC/LHDC/LC3
Bluetooth Version: 6.1
Bluetooth Range: 10 meters
Battery Type: Rechargeable lithium-ion battery
Battery Capacity: Single earbud capacity: 65 mAh; Charging case capacity: 576 mAh
Charging Input (Charging Case): 5V = 1.5A
Charging Input (Single Earbud): 5V = 0.2A
Charging Output (Charging Case to Earbuds): 5V = 0.4A
Charging Port: USB Type-C
Water Resistance Rating (Earbuds): IP55

Package Contents:
Earbuds *1