Loudest ratio: 110db                                     

Distortion: 1 % MAX

Transmission distance: (wind) > 200M                            

Working voltage: DC3-6V

Frequency response: 100HZ---10KHZ                              

录 音时长：10秒

Charge time: approximately 6 hours

Weight: 0.6KG

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

持续工作时间：喊话8-15小时（LB-1500锂电池 ≫>> intelligent control, functional, usingCLASS ddigital module, low effectiveness high efficiency, the use of imported audio chip, clearer sound quality
>>> this product is suitable for shops, cars, motorcycles, street vendor, Occasions such as the selling of goods.
≫>>thin film panels, dust-proof moisture-proof,totally enclosed film panels, reliable quality and long service life. 
≫>>is using the bulk-durable lithium-ion batteries, the battery is more durable. Intelligent management for charging and discharging lithium batteries, lithium-ion battery is safe and reliable, delayed playback, battery.
≫>> available SD card player, MP3 recording for 120 seconds

Our product profile is exquisite, all factory direct sales, quality assurance, mainly engaged in megaphone, megaphone, microphone, speakers of various power cord, video cable,TVcable wire... ...Welcome new and old customers to17681shop purchases.