最大声功率： 110db                                       失真度：1 % MAX

传送距离：（顺风） > 200M                             工作电压： DC3-6V

频率响应： 100HZ---10KHZ                              录音时长： 10 秒

充电时间：约6小时                                  重量 :0.6KG

Size: about 155MM (diameter) *245MM ( length )

Working hours: Rome 8-15 hour (LB-1500 lithium-ion battery)

This product is suitable for shops, automotive, motorbikes, stalls, occasions such as the selling of goods. 
Low efficacy and high efficiency, the use of imported audio chip, clearer sound quality
lanyard-red hand, shoulder, convenient to carry
propaganda behind the mouth, function buttons, volume control buttons
are equipped with special batteries for special megaphone

          Welcome new and old customers come to buy ***