... 1)good bass sound earphones in ear 2) with microphone can work ... Mobile phone, PC, Gaming device, CD, etc.2) In ear design, isolate the sound, cancel the noise.3) ... deviation of two speakers, protect hearing.5) Add metallic dust-free net in the fore housing to keep ... , oxygen shiny surface, 9 colors available.Data:Type: In-Stereo EarphoneDriver Unit: Φ10mmSensitivity: 97±3dBImpedance: 22ΩFrequency ...