About this item "MAX" is an intelligent noise reduction earmuffs, noise reduction of more than 90 decibels. Suitable for shooting, hunting and other noisy environments, when encountering strong noise (such as gunfire) can instantly activate the noise reduction function to protect the ears. Powerful sound pickup function can clearly hear the sound of footsteps within 3 meters, very suitable for BB, paintball players. (Requires installation of AA batteries *2). "STD" is a standard earmuff that needs to be connected to PTT for communication function (PTT is not included). Noise isolation up to 30 dB. No battery installation required. FAST Paintball Helmet: ABS material. Weighing only 0.65kg, with eight additional ventilation holes at the top, it is ideal for all kinds of fast action and combat. The included helmet cover is made of 800D nylon, and the elastic cord can assist in fixing various tactical accessories. for head size 53-60cm (21.6-24.5 inch). Tactical Flash Lamp: Versatile blinking warning light, conveniently portable, take it anywhere with you. This essential safety item has many outdoor activity uses. The product contains CR123A battery*1. High strength PC goggles: The product passed the ASNI Z80.3 falling ball test. The critical impact velocity for scratching the lens is 310 FPS at -10°C -42°C, fully protecting your eyes during paintball.