a1 waterproof tws wireless earphone bluetooth earbuds 5.0 stereo hd sound touch control earbuds mini headsets pro for iphone 11 11 pro

vocalism principle: dynamic control button: yes active noise-cancellation: yes communication: wireless volume control: yes style: ear hook sensitivity: 42db wireless type: bluetooth is wireless: yes max output: 0mw line length: 0m support app: no function: for video game function: common headphone function: for mobile phone function: hifi headphone function: sport number of drivers: 2 plug type: none package list: user manual package list: charging cable impedance range: up to 32