Features：
1.Back battery compartment:is designed on the back of the helmet, powered by 3 AA batteries
2.Different interfaces on the left and right:the microphone and lower outlet are on the left and right sides
3.Built-in high-definition headphones: increases convenience and further expands the scope of use
4.Flip-up goggles:the goggles flip up and down, with 1 transparent lens + 1 black lens, users can freely choose to replace
5.Two-sided straight rails:on both sides of the helmet to facilitate the installation of various tactical equipment
6.Built-in anti-fog fan:has a built-in fan to effectively prevent the goggles from fogging up,the fan can be turned on and off via the button on the back
