Karnotech REMAX Wired Earphones Stereo Earbuds In-ear Headphones with Enhanced Bass Noise Reduction Function & Microphone RM 515 Black Ultra-light weight, ergonomics design enables the user of comfortable wearing experience. CVC 6.0 Technology help to reduce outside noises so you can only be immersed in music world. High-fidelity bilateral stereo sound and clear speech. L Shape Jack connector more secure and fit. Build-in microphone to make hands-free calls, no matter in home, at office, during car driving or others. Warranty: Non-artificial damages, 1-month money back, 3-month warranty. 100% Brand New Product, High Quality.