1、Significant Noise Reduction: This helmet style headset effectively reduces ambient noise and has a significant noise reduction effect on ambient noise over 80dB, effectively protecting your hearing. 2、Battery Powered: This helmet headset requires 2 AAA batteries (not included for power supply, which is convenient for users to replenish. 3、Easy To Operate: This helmet style headset can swap the microphone left and right, the microphone and the lower exit cable can be quickly swapped between the left and right sides according to the user's habit of use, convenient and easy to operate. 4、Convenient Button Design: This helmet model headset is designed with convenient buttons for quick identification even when wearing gloves. 5、Large Range Adjustment: This helmet headset adapter arm has a large range of adjustment, and can be flipped to the top of the helmet when not using the headset, allowing the ears to fully dissipate heat. Item Type: Helmet Way Headset Earmuff Material: Nylon, 35 Fiber, Silicone 1 x Earmuff 1 x Earphone 2 x Connecting Arm 1 x Wrench 1 x Driver 2 x Screw 1 x Manual 4 x Accessory