... ,UV available 3.Support USB,TF,PC,Mobile 4.3"speaker 5.CE FCC RoHS passed Q1SPECIFICATIONS1, Material;plastic2, Output;RMS ... 8-40hours, speaking working hours,18-40 hoursAccessories3.5 Standard stereo audio cable; User Manual; headset; adaptor; holder belt. Gift Box ... suit for teacher tuor guid shopping guid old people multimedia portable rechargeable megaphone