Stereo Earphone, Headphone, Headset 2 asst. colors: blue, pink Stereo Earphone, Headphone, HeadsetSpeaker diameter: 9.8 mm;Output Frequency: 20Hz-20kHz;Impedance: 18 Omega;Output Sensitivity: 96db/1mW;Maximum Input: 8mWCord Length: 1.2cm(0.5inch)Weight: 3g(0.11oz-excluding cord)Plug: 3.5mm Omega; Stereo Stereo Earphone