UiiSii C100 Earphones, In-Ear Headphones with Microphone, for iPhone and Android Devices (Red) ENHANCED BASS & STEREO SOUND: High Performance sound quality with rich bass, treble and clarity. Gold-plated 3.5 mm audio jack for premium connection to any compatible devices BUILT-IN MICROPHONE: remote 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 it COMFORTABLE FITNESS: ergonomic design and fashionable appearance provides wearing comforts. 2 ultra-soft silicone ear cushions make it available to various ear structures 1.2M CORD FOR EXTRAL CONVENIENCE : provides extra flexibility and convenience, which can be easily threaded through a jacket or placed in a bag or backpack when it is in usage COVERED UNDER 6 MONTHS WARRANTY: we provide best customer service to our customer. Please feel free to contact us if you have questions and we are happy to help you