There are 2 model to choose 1. tactical Headphone 2. Kenwood PTT for Baofeng radio WADSN Hunting Pickup and Anti Noise Cancelling Headphones for Fast Helmet WADSN Tactical Aviation headphone C2 CII Headset Peltor Noise Canceling Hunting Tactical Headphones Product Description Tactical latest electronic talk-thru aviation headset combines the most sophisticated surround sound listening electronics with a new slim-line profile cup design. zComtac II headsets have dual ear-cup microphones to let wearers hear ambient sounds 360 degrees along with the capability to suppress gunshots and other high impact noises. Cup microphones provide talkthru listening capability. Electronics will instantaneously suppress harmful impact noises to 82 dBA inside the earcups, while amplifying up to 18 dB ambient noises/voices. 1 *AA battery in each cup, waterproof battery housing design. Color: FG Weight:490g 100% brand new and high quality With New Military Standard Plug Feature: - Military Green OD Cups - Noise Reduction Rating of 20 dB - Folding headband with camouflage covering . - 1 AA battery in each cup, waterproof battery housing design . - Headset fits under Fast helmet systems . - Noise canceling flexible . - gooseneck microphone . -Headset with Rail Adapter fit for Fast Helemt. Note: Headset Device Only ,compatible with WADSN PTT . Please Purchase Headset or PTT in Our Store Separately to complete the system. Package include: 1*tactical headset with Rail Adapter Product includes:Headphone*1(No include helmet) Tactical zPELTOR PTT Waterproof Adapter For Military Headset and Radio Features: 100% brand new and high quality. Waterproof PTT. Fit military standard version plug Button activated PTT (push to talk) unit, can be clipped on clothing or belt Clear sound, strong and durable. Can be connected to all Z-Tactical Headset waterproof PTT cable for the specified two-way radio models (see details in the specifications). It applies to: Heavy duty noise-reduction headset Medium duty throat mic w/PTT Full-face helmet headset Pro ear-vibration mic Length of wire: approx. 90cm(include the adapter) Kenwood version PTT Compatible Radio model: BAOFENG: Almost All:UV5R,UV8,UV8D,UVB5,UVB6,A52 ,UV5RA,UV5RC,UV5RD,UV5RE,UV5RE+,F8,F8+,BF-480/490/320/V6/V7/V8/658/520/530/999/888/777/666s/777s/888s/F8+/A5/388A RETEVIS：H-777,R888s Plus,RT-5R,RT-B6,RT-5RV,RT1,RT2,RT3,RT5,RT7 For Kenwood KPG：KPG27D,KPG29D,KPG48D,KPG49,KPG55D,KPG56D,KPG62D,KPG66D,KPG69D,KPG70D,KPG74D,KPG75D,KPG77D,KPG82D,KPG87D For Kenwood TH：TH-D7,TH-D7A,TH-D7AG,TH-D7E,TH-F6,TH-F6A,TH-F7,TH-F7E,TH-G71,TH-G71A,TH-G71E,TH-K2,TH-K2A,TH-K2E,TH-K2ET,TH-21,TH-21AT,TH-21BT,TH-22,Th-22A,TH-22At,TH-22E,TH-25,TH-26,TH-27,TH-28,TH31AT,TH41AT,TH41BT,TH-42,TH-42A,TH-42AT,TH-42E,TH-45,TH-46,TH-47,TH-48,TH-55,TH-75,TH-77,TH-G71,TH-205,TH-215,TH-225,TH-235,TH-235A,TH-235E,TH-315,TH-415 For Kenwood TK:TK-208/308,TK-220/320,TK-240/340,TK-240D/340D,TK-248/348,TK-250/350/353,TK-260/360,TK-260G/360G,TK-270/370,TK-270G/370G,TK-272G/372G/373G,TK-278G/378G/388GPro-Talk,TK-430/431,TK-2100/3100Pro-Talk,TK-2102/3102,Pro-Power,TK-2107/3107,Pro-Talk,TK2207,TK3207,TK-2160/3160. POFUNG:UV-A52,UV-82,UV-8,UV-6,UV-5R,888s,5RA HYT：TC286/386/2685/3865/6685/278/378/388/2100/2088 PUXING:PUXING PX-777,PX-888,PX-888K,PX-325,PX-358 QUSHENG/LINTON/TYT etc:Almost all with a two pin plug, Former pin diameter of 3.5mm and 2.5mm in diameter after pin, double pin from 8 min within,11 mm center distance of 2 pin