Throat mic is a type of contact microphone that absorbs vibrations directly from your throat worn against the neck. So you can keep in touch with your teammates even when helmets or respiratory protection is required. It also can pick up speech even in extremely noisy or windy environments, such as on a motorcycle or in a nightclub. Neck Adjustable Everyone has a different neck size.So this adjustable headset allows different budy types to find their own comfortable size. Big PTT with Velcro The large PTT button can be easily operated even when wearing gloves. The back has a velcro design, which is convenient to fix and use. K Head Plug 2 Pin Walkie talkie earpiece with kenwood 2 pin that works with Retevis RT22 RT21 H-777 Baofeng UV-5R 888S pxton and more radi. Two-pin standard diameter: Ear 3.5mm stereo (top pin). Mic 2.5mm stereo (bottom pin); Space of two-pin: 11mm. Compatible with the following walkie-talkies: Compatible with Retevis: RT22/RT21/H-777/RT68/RT19/RT27/RT28/RT22S/H-777S/RT15/RT18/RT27V/RT21V/RB38V/RT7/RB17V/RB27V/ RT5R/RT5RV/RT5/RT85/RT76/RB26/RB17A/RB27/RT84/RT53/RT10/RT43/RT72/RT26/RT1/RT86/RB25/RT81/RT50/RT56/RA16/ RB37/RB35/RT67/RT17/RB17/RB17P/RT66/RB27B/RB28/RT69/RT46/RB18/RT3S/RB28B/RB29/RT76P/RA85/RB85/RB87 Compatible with Baofeng: UV-5R Series, BF-F8HP,UV-82 Series,UV-82C,UV-82H,BF-480/490/320/V6/520/530/999/888/666S/BF-888S and more Compatible with Arcshell: AR-5/AR-6 Compatible with Kenwood: TH-F6/F6A/D7/D7A/D7AG/D7E/F7/F7E/G71/G71A TH-G71E/K2/K2A/K2E/K2ET/21/21AT/21BT/22 TH-22A/22AT/22E/25/26/27/28/31AT/31BT/41AT/41BT TH-42/42A/42AT/2E/45/46/47/48/55/75/77/G71 TH-205/-215/225/235/235A/235E/315/41 TK-208/220/240/240D/248/250/260/260G/270/270G/308 TK-360G/370/370G/372G/373G/320/340/340D/348/350 TK-378/378G/430/431/353/360 TK-2100/ 2102/2130/2160/3100/3101/3102/3107/ TK-3118/3130/3131/3160 etc Compatible with Linton: LT-2288/3288/6288/5288/3188/2188/3260/2268/3268,/6288/6188/3288A Compatible with HYT: TC286 386 2685 3865 6685/TC 278 378 388 What's in box: 1 x ETK003 Throat Mic Walkie Talkie Earpiece 2 Pin Behind-the-Head Earpiece Tactical Headset 2 Pin Finger PTT Earpiece with Finger PTT 2 Pin Throat Mic Covert Acoustic Tube Finger PTT Headset 2 Way Radio Earpiece Headset with Mic VOX PTT K Head 2 pin throat mic acoustic tube covert earpiece D Shape Two Way Radio Earpiece Add to Cart Buying Options Add to Cart Add to Cart Add to Cart Buying Options Customer Reviews 3.6 out of 5 stars 68 4.2 out of 5 stars 297 4.2 out of 5 stars 562 4.0 out of 5 stars 612 3.8 out of 5 stars 312 — Price $19.99$19.99 $14.44$14.44 $16.99$16.99 $19.99$19.99 $11.99$11.99 — no data Type Overhead earpiece Behind Head Headset Throat Mic Boom Mic Throat Mic D-shape Plug K Head 2 Pin K Head 2 Pin K Head 2 Pin K Head 2 Pin K Head 2 Pin M Head 2 Pin Features High Quality Audio & Adjustable Fit finger ptt;Adjustable cable Flexible Throat Strap;Great Mic Performance Noise cancelling;Soft Ear Cushion Neck Behind Design;Mic Performace PU Wire cable Package 1 pack 1 pack 1 pack 1 pack 1 pack 5 pack Cpmpatiable Retevis: H-777/RT21/RT22/RT-5R BAOFENG Almost All Kenwood etc Retevis: H-777/RT21/RT22/RT-5R BAOFENG Almost All Kenwood etc Baofeng UV-5R BF-888S Retevis RT22 2 Way Radio etc Fit Retevis: H-777/RT21/RT22/RT-5R; Fit Kenwood /BAOFENG/ HYT/ WOUXUN radios Fit Retevis: H-777/RT21/RT22/RT-5R; Fit Kenwood /BAOFENG/ HYT/ WOUXUN radios Motorola GP68/2000/CT150/Pro1150 HYT TC-500