1. Speaker diameter: 50mm
2. Frequency: 20-20000Hz
3. Mic dimension ...
1. Receive signal well and maintain a comfortable touch for ...
1. Receive signal well and maintain a comfortable touch for ...
1. Receive signal well and maintain a comfortable touch for ...
1. Receive signal well and maintain a comfortable touch for ...
1. Receive signal well and maintain a comfortable touch for ...
1. Receive signal well and maintain a comfortable touch for ...
1. Receive signal well and maintain a comfortable touch for ...
1. Receive signal well and maintain a comfortable touch for ...
1. Receive signal well and maintain a comfortable touch for ...
1. Receive signal well and maintain a comfortable touch for ...
1. Receive signal well and maintain a comfortable touch for ...
1. Receive signal well and maintain a comfortable touch for ...
1. Receive signal well and maintain a comfortable touch for ...