Speaker dimension: Ф40mm Speaker impedance: 32Ω ± 15% Frequency response: 20-20，000Hz Sensitivity:94dB S.P.L. at 1KHz Rated power: 15mW Power capability: 100mW Cable length:1.2 ± 0.15m Plug: 3.5mm High definition headphones with excellent sound quality and rich bass Stereo sound suitable for movies， music and games Ear cushions with soft padding seal out ambient noise... Color: Black， Blue