1 plastic mini megaphone 3 LED screnn 4 Support SD/USB, with FM computer speaker Model: Q3Image Key Specification 1, ... S/N ≥75db6,input power DC 9V7,li-on battery 7.4V 2000mAh/rechargeable8,support U flash disk,TF card,Suitable ... CTNQTY/Carton(PCS)20"GP QTY (PCS)1000pcs/CBM231X224X6269*47.7*36 9.5/19.5308,7503.3Please for more new ... enqury, please let me know. Portable Megaphone with MP3,FM,SD ,USB flash