... 1)good bass sound earphones in ear 2) with microphone can work ... phone, PC, Gaming device, CD, etc.2) In ear design, isolate the sound, cancel the noise.3) ... .6) Soft slilicone caps can fit your ear well and keep holding.7) Use safe ... oxygen shiny surface, 9 colors available.Data:Type: In-Stereo EarphoneDriver Unit: Φ10mmSensitivity: 97±3dBImpedance: 22Ω ... : 1.4m Plug: Φ3.5mm 2013 In Ear Headphone