The neckband bluetooth headphones is comfortable and lightweight, with a 45 ° in ear design, which makes it more secure to wear. Moreover, it is waterproof, fearless of sweat and life splash in sports. You can focus on sports and enjoy music. It has long battery life. Whether you listen to music or talk, it can meet your needs for a whole day. It also supports the connection of two devices, which is more convenient to use without switching back and forth.