For trolley speaker with 2 mic, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our trolley speaker with 2 mic has been well received by many customers and enjoyed a good reputation in many countries. Guangzhou 7-sword Electronics Co.,Ltd. trolley speaker with 2 mic have characteristic design & practical performance & competitive price, for more information on the trolley speaker with 2 mic, please feel free to contact us.