Features High-Resolution Audio Certified dodocool Hi-Res Earphone adopts High-Res Audio technology and delivers amazing and high-resolution reproduction of the original sound. It provides low-loss signal transmission of 24-bit digital audio with the encoding and playback of music, using higher sampling rates than the standards used in CDs. Apple MFi Certified Capable of high-quality audio play foriPhone X / iPhone 8 Plus / iPhone 8 /iPhone 7 Plus / 7 / SE / 6s Plus / 6s / 6 Plus / 6 / 5s / 5c / 5 / iPad Pro / iPad Air 2 / iPad Air / iPad (4th generation) / iPad mini 4 / mini 3 / mini 2 / mini / iPod touch (5th, 6th generation) with Lightning Audio Module. In-Line Remote In-line multifunction button and other control buttons let you handle calls, control audio / video playback or use Siri function. You can also enjoy the modulation of rich bass and stereo surround sound effect for enhanced listening experience with a press at the BAS button. Sophisticated Design Aluminum materials with high rigidity and high electrical conductivity reduce unwanted vibration and prevent distortion. Advanced sound isolation technology enables you to get immersive enjoyment of both high-quality sound and every superb detail of your music without environmental disturbances. Long-listen Comfort Three sizes of interchangeable earplugs are included for a customized, fit and improved sound isolation. You can comfortably enjoy music with the soft silicone earplugs while going for a jog or workout at the gym. Compact Portable Ultra small size and portable design make it easy to carry. Ideal for home, office, car and travel use. Strong Durable Soft TPE jacket and OFC wire cores make it more tangle-free and durable.