Normal charging heat. opporeno5 The charging head is a little hot when charging. Of course, if you are not satisfied with the content provided by the official and feel that you can not play your due strength, then DTS has also prepared customized solutions for consumers, which can provide personalized solutions according to different audio equipment and the sensitivity of the human ear, DTS said that it has entered a database of more than 500 kinds of headphones, so as to be more prepared to understand the needs of users.