Description: Open-ear: This kind of earphone is designed in a not in-ear style, you dont need to wear it in the ear, making you feel more comfortable and painless, and you can pay attention to the en more→vironment easily. Wireless: The bluetooth-compatible V5.1 ensures a stable connection and quick transferring, reducing latency and giving you a good listening experience. Flexible: You can store the headset easily with bending or fold it, not easy to deform or be broken because it is made of alloy, sturdy and durable. IPX5 waterproof: This headphone can resist water and sweat effectively, suitable for sports, running, fitness and others, you can dry it by wiping, saving effort for you. Noise