KOTION EACH B3505 Wireless NFC Stereo USB 3.5mm Plug Bluetooth Gaming Headphone Headset with Mic Compatible iPhone6S Plus6 5 5s 5c,Ipad,Lenono,Samsung ,Blackberry,HTC,Sony,LG ,Tablet PC - Black/Orange Wireless headset, compatible with enabled smart devices, such as for iPhone, iPad, HTC, Lenovo, Samsung, Tablet PC, etc. Built-in NFC chip in the right earcup of headset, support pairing through NFC function. Enhanced noise reduction, good choice for listening music, watching movie, answering phone calls, etc. Please limit the time using the headset at high volume, in order to avoid damage your hearing.Bluetooth headset disconnect or shut down when playing music?First, confirm if Bluetooth headset is power low, if so, you need charge it ASAP.Usually due to Bluetooth headset software version is not compatible with your phone, usually by resetting or re-pairing can solve the problem, sometimes need to turn off the phone and then try to pair again. When listen to music, there is noise.First, confirm if Bluetooth headset is power low, if so, you need charge it ASAP.There is obstruction between the phone and the bluethooth headset or the distance exceeds the signal reception distance, please do not put your hand on the bluetooth.In order to get continuous and stable signal, please try to keep the bluetooth and phone in the same direction.