DescriptionUIISII C100 In-Ear Earphone with MicDriver: 10mmSensitivity: 85dB /-3dBImpedance: 16 Ohms 15%Frequency Response: 20Hz~20 kHzPlug Type: 3.5mmCord Length: 1.2mEnhanced Bass & Stereo SoundHigh Performance sound quality with rich bass, treble and clarity. Gold-plated 3.5 mm audio jack for premium connection to any compatible devicesBuilt-In MicrophoneRemote button is for answering and hang up calls. N/S switch is designed for compatibility to any devices and you can find the best suitable ones by switching itComfortable FitnessErgonomic design and fashionable appearance provides wearing comforts. 2 ultra-soft silicone ear cushions make it available to various ear structures1.2M Cord for Extral ConvenienceProvides extra flexibility and convenience, which can be easily threaded through a jacket or placed in a bag or backpack when it is in usage