Megaphone size: 13.5*10.2*3.8cm
 

 Remote control size: 15.5*5*2cm
 

 Megaphone battery specification: 3.7V 600MAH (built-in lithium battery)
 

 Remote control battery specification: 3.7V 800MAH (built-in lithium battery)
 

 Megaphone charging time: about 50 minutes
 

 Remote control charging time: about 90 minutes
 

 Use time: about 2 hours
 



 Remote control distance: about 1200-2000 meters (the farthest)