bluetooth 5.0 earphones sports waterproof tws wireless headphones hifi stereo noise cancelling earbuds headset with microphone

brand name : voulao vocalism principle : dynamic control button : yes active noise-cancellation : yes communication : wireless volume control : yes style : headphone sensitivity : 120db wireless type : bluetooth is wireless : yes max output : 1mw line length : 0m support app : no function : for internet bar function : monitor headphone function : for video game function : common headphone function : for mobile phone function : hifi headphone function : sport function : kids' headphones number of