openear solo bone conduction headphones bt5.1 wireless cell phone earphones waterproof stereo headset handswith mic for sport earphone

style : ear hook certification : ce vocalism principle : dynamic origin : cn(origin) control button : no active noise-cancellation : yes communication : wireless volume control : yes sensitivity : --db wireless type : bluetooth is wireless : yes max output : --mw line length : --m support app : yes function : for video game function : common headphone function : for mobile phone function : hifi headphone function : sport