OnePlus Buds Ace

Specification:

• Sound unit: 12.4mm moving coil unit
• Horn sensitivity: 111±3dB@1KHz 179mV
• Microphone sensitivity: -38dBV/Pa (±1dB)
• Number of microphones: 2 pcs/single side
• Frequency Response Range: 20Hz ~ 20kHz
• Impedance: 32±15%Ω