Model: dynamic type. Playback frequency band: 8Hz ~ 26,000Hz. Output sound pressure level: 102dB / 1mW. Maximum allowable input: 150mW. Impedance: 20Ω.Code: 1.2m (Y type), with φ3.5mm 24 gold-plated L-shaped stereo mini plug. Weight: about 4.3g (without code).Accessories: earpiece (S, M, L each...