สถานที่กำเนิด
Guangdong, China
Product Name
SHIDU Dual Wireless High Powered Pa Speaker
Lithium battery
7.4V/5200mA
Application
Interactive teaching, tour guiding, training etc
Charging Voltage
DC 9V, 2A
Working time
4-6hours(music mode), 6-8hours(micphone)
Frequency Response
90Hz~18000Hz