... , sturdy yet Detailed Product Description This megaphone with USB/SD jacks,and with chargeable lithium battery,more better for using ABS ... housing meterial, trumpet shape with pistol grip,factory wholesale and OEM service.15 years experience,eco-friendly. MODEL:SD- ... disc, MP3 file on MP3 ,MP4 and MP5With extra Microphone and USB/SD/MMC plugs ,and AUX put plugs.Materia:ABS housingWeight:1330GSound ...