Specifications:Material: SiliconeEarpiece: DoubleEarpiece Design: Earbud (In Ear)Type: Earphone Headphone HeadsetCord Length: 1.2m (approx)Plug: 3.5mmSpeaker impedance: 6UHeadphone sensitivity: 116DBRated frequency: 2MWFrequency range: 20--200HZMicrophone: Built-inColors: Blue and white porcelain、 RainbowRainbowNet Weight: 20gPackage includes:1 x Glow Luminous Earphones