LETSHUOER DZ4 dynamic unit headphones

Unit: 6mm titanium dome dynamic unit x 3 & 6mm passive diaphragm unit x 1 (3DD+1PR acoustic architecture)
Sensitivity:104dB/mw(@1kHz)
Frequency response: 20Hz - 40KHz
Impedance: 12Ω
Headphone jack: 0.78 2pin
Headphone wire: 216-core high-purity copper silver-plated 4-strand 54-core 0.05mm wire/3.5mm plug/1.2m long accessories: 3 pairs of vocal ear gels, 3 pairs of balanced ear gels, earphone storage box Headphone material: Front cavity material- 3D printing resin; back cavity material - anodized aluminum