handy megaphone
-diament:200xL340
-Dry cell :8x1.5V(Size AA) or 6x1.5V (Size AA)
-Talk/music(or siren,or whistel )
-ABS Housing-Build-in mic-With Trigger
-Approx:1.12kg
Sound cover approx 600M
Usage:
-Coaching,tuor guiding,persentation
-Right partner for sales promotion
-Top buddy of tour-guide lady
-Good instrument for metting or get-together
-Excellent helper for outdoor or indoor teaching