Professional tactical headset with noise cancellation and radio. Features excellent sound clarity and dynamic noise cancellation. Suitable for airsoft, hunting, noise environment operation and other scenarios. Soft silicone ear cups and adjustable helmet headset won't tire you out. The microphone communication function is excellent, providing real-time, clear and low-latency calls. This tactical headset offers both over-the-head and helmet wearing methods, and you can match your use with the helmet adapter and headband removal. Also included in the accessories are M-lok and Team Wendy rails that work as well. The various accessories can be fitted and removed to meet your tactical needs. Specification: Material: ABS Plastic Horn type:High Fidelity Loudspeaker Horn impedance: 32Ω ± 15% Frequency characteristics: 100Hz-20000Hz Horn SPL: 94 ± 3db (25mw / 10mm at 1000Hz) MIC Type: Detachable Microphone MIC Sensitivity: -38db MIC Impedance: ≤ 2.2kΩ Plug Type : Military standard 7.0mm plug Noise removal: Automatically Battery: 2 x AA battery (not included) Product weight: 650g Package List: TSVISIONCORE Tactical Headphones U94 PTT Plug Helmet rail adapter Replacement Parts for M-lok and Team Wendy Helmet Rails User guide Newly upgraded headband The headband of the Tactical Headset has been newly upgraded! The surface leather of the headband is removable, so you don't have to cut the leather apart to fit the rail adapter like in the old version. The headband and helmet style can be switched at will! Incredibly comfortable Super soft and breathable silicone ear cups for extended use that won't make your ears sweat. Closed earmuff design for better isolation from external environmental noise, you are basically immersed in your work or game. Excellent noise reduction function The dynamic noise reduction function can automatically determine when bursts of sound occur and reduce the volume that reaches your ears. It can protect your ears from excessive noise. Replaceable headband with helmet rail adapter Comes with its own rail adapter for ARC rails. If you want to use your tactical headset mounted on your helmet, remove the headband and install the rail adapter. Instantly you can use this headset on your helmet. Accessories available for different rails Included in the product are accessories for use with M-lok and Team Wendy rails. Supports replacements for use with rail adapters. Meets your need to use this tactical headset on multiple helmets! PTT included with the headset This PTT is Kenwood U94 2-pin plug for Baofeng radios, and is very light and easy to carry.