1.This shooting earmuffs are designed to suppress shooting noise and protect your hearing. Shooting earmuffs are designed with stereo sound, the sound you hear through the internal amplifier is more stereo, realistic, clearer, and comfortable earpads provide you with the perfect shooting experience. 2. Turn on the volume control button to activate electronic noise reduction in shooting, hunting or noise environment and stay in normal sound or slight sound environment to protect your hearing. The volume control button is designed to adjust the amplification effect according to the needs of adapting to different occasions 3. Made of high quality material, make the appearance more elegant and complete, durable and not easy to damage. The earmuffs body is made with a completely sealed method which can reduce noise (24dB). The ear pads are removable and can be replaced if the ear pad is damaged or dirty. Features: Compact structure, foldable design, easy to carry. Double pickup microphone, can communicate with others normally while wearing headphones. Volume control knob, pick up volume adjustable. When ambient noise reaches 85dB the pickup microphone automatically turns off to protect your hearing. Noise reduction level NRR 24dB; AUX audio input, connect to your phone to play music. Adjustable telescopic frame, user can adjust freely Powered by 2 AAA batteries, easy to replace. Ear pads are removable and can be replaced regularly. Occasions: Shooting ranges, shooting range training, live CS, outdoor hunting, fireworks festivals, and other situations where noise reduction is needed to hear outside sound. Package included: 1 x Headset 1 x User Manual 1 x Audio Line