trn v90 4ba+1dd hybrid metal in ear earphone hifi iem dj monitor running sport earphone earplug headset headplug ba5 v80 zsx c12

brand name : trn style : in-ear certification : none vocalism principle : hybrid technology origin : cn(origin) control button : no active noise-cancellation : no communication : wired volume control : no sensitivity : 110±2dbdb is wireless : no line length : 1.2mm support app : no function : monitor headphone function : for mobile phone function : hifi headphone plug type : line type connectors : 3.5mm model number : v90 support memory card : no resistance : 22ωω waterproof : no frequency respo