Description: Unique in-ear design to guarantee that earphones closely fit to ears and will not fall off when you are working out. Meanwhile, audio performance has improved greatly.
Main Features: - Waterproof and sweat resistant, no matter sweating in gym or running in rainy day, it will be with you. - NFC technology, isolate noise and let you immerse yourself in the music. - Wireless earphones, free from wired. - With drive-by-wire design, all in your hands.