Headphones In-Ear Lightning high quality Earphone Earset headphone Earbuds With mic & Volume Control Earphone for iphone phone

Instructions: Into mobile phone after the first time, would you please open the mobile phone of the bluetooth function of the "Settings" for a few seconds to opportunity to search for the cause to a bluetooth device, the device name for 20, click on the matching connection is successful, can be used, when used as long as after a bluetooth to open automatically under the condition of connection.