Bluetooth Headphone, Haip&reg; Wireless Bluetooth Sport Bass Stereo Headphones Earphone with Self Shooting for iPhone Samsung (Black/Yellow) Light weight and powerful sound system Built-in self-shoot function (press + two times continuously) Call reminder with automatic reporting the telephone number. Smart voices remind the earphones status of calling, low power, and connection. Fit for Samsung/ iPhone/ iPad / Smart Phone ect devices via Bluetooth connection.