Want power, performance, and Bluetooth connectivity? The M9 Bluetooth Wireless headphone give you all that and much more. Choose from popular colors like red, black, and enjoy outstanding performance. All M9 Bluetooth Wireless headphone come with a battery capable of playing for four hours on a single charge, and a 3-button remote and a built-in microphone. Note that these headphones are also splashproof and sweatproof, ensuring that no matter how hard you work out, they’ll stand up to the punishment. Best of all, there’s no wire connecting you to a device!