qcy t8 wireless bluetooth sports semi-in-ear headphones app control large battery

brand name : qcy vocalism principle : dynamic control button : yes active noise-cancellation : no communication : wireless volume control : no style : ear hook sensitivity : 114db wireless type : bluetooth is wireless : yes line length : 0m support app : yes function : for video game function : common headphone function : for mobile phone function : hifi headphone function : sport number of drivers : 2 package list : user manual package list : charging case package list : replaceable pads set im