FORM 1.1 uses an excellent combination of units, exquisitely crafted by hand-inverted mold, and a unique starry sky panel. The sound is sweet and natural.Ingenious tuning, outstanding sound details, full human voice, natural, as if standing in front of the stage, immersive, low distortion, high transient, low frequency surging, let you feel the shock of live musicCloth shielded original cable, with metal parts, high-purity copper wire, and sweeter and more natural voice with tuningProduct parameters:Brand: ShozyModel: Form1.1Drive unit: hybridFrequency response range: 20-20000HZResistance: 19ΩSensitivity: 100dBHeadphone plug: 3.5mmHeadphone connector: 2pin 0.78mmPure copper earphone cable