Features:
This megaphone with compact size, clear louder sound
Lightweight and portable, perfect talk or speech for meeting, assembly, propaganda...etc 
Foldable Pistol Grip
Talk Switch 
Music Switch 
Microphone Volume Control 
Built-in Microphone 
ABS Plastic Construction 
Rubber Bell Guard 
Favorable Range: 650 YDS - 1000 YDS Max 
Adjustable Carry Strap 
Technical Information

Specifications:
Requires 6 X AA batteries(not included)
Rated Power - 5 Watts 
Overall Length - 6" 
Bell Width - 3 3/4" 
Dynamic microphone and high-quality speaker 
Unit Weight - 296

Package include:
1* Mini Handheld Megaphone Bullhorn Loud Speaker Amplifier

Warnning:
This speaker can give out very big voice when you usein, be not to awards to others ears.
Dont not use it long time.
Please get out the battery once you do not use it.