[Feature:]- Brand new & high quality- Small finger PTT， easy for push and talk- The earpiece/speaker fits snugly in your ear easily which keeps your conversations private.- Headset microphone is soft and can be placed on your mouth， which makes conversation more convenient.- Lightweight neckband structural design， comfortable to wear， easy to use.- Excellent for use in police， military， nightclubs， bars， paintball， security， restaurants， hotels， bouncer， warehouses and noisy environments.[Specification:]- Microphone:Type: electret condenser microphoneSensitivity: -40dB �� 3dB at 1000Hz (0dB=1V/Pa)Impedance: 2.2KOhm- Speaker:Diameter: ?15mmImpedance: 64Ohm �� 15% at 1000HzSPL: 89dB �� 3dB at 1000HzRated power: 100MwMaximum power: 200mW- Weight: 70g- Compatibility:--Kenwood:TH-F6 / F6A / D7 / D7A / D7AG / D7E / F7 / F7E / G71 / G71A / G71E / K2 / K2A / K2E / K2ET / 21 / 21AT / 21BT / 22 / 22A / 22AT / 22E / 25 / 26 / 27 / 28 / 31AT / 31BT / 41AT / 41BT / 42 / 42A / 42AT / 2E / 45 / 46 / 47 / 48 / 55 / 75 / 77 / G71 / 205 / 215 / 225 / 235 / 235A / 235E / 315 / 41TK-208 / 220 / 240 / 240D / 248 / 250 / 260 / 260G / 270 / 270G / 308 / 360G / 370 / 370G / 372G / 373G / 320 / 340 / 340D / 348 / 350 / 378 / 378G / 430 / 431 / 353 / 360 / 2100 / 2102 / 2130 / 2160 / 3100 / 3101 / 3102 / 3107 / 3118 / 3130 / 3131 / 3160etc.--Linton:LT-2288 / 3288 / 6288 / 5288 / 3188 / 2188 / 3260 / 2268 / 3268 / 6288 / 6188 / 3288A--PUXING:PX333 / 888 / 888K / 328 / 358 / 999 / 666 / 777 / 777PLUS--WOUXUN:KG-UVD1 / UVDIP KG-669 / 659 / 679 / 689 / 639 / 699 / 801--QUANSHENG:TG-K4AT / 2AT / 22AT / 45AT / 42AT / 25AT / UV--RELM:RPU416 / RPV516 / RPU499 / RPV599X--WEIERWEI:VEV-3288S / VEV-6288 / VEV-3288--BAODEENG:UV-5R Series / BF-480 / 490 / 320 / V6 / 520 / 530 / 999 / 888 / 777 / 666S / 777S / 888S--HYT:TC286 / 386 / 2685 / 3865 / 6685 / TC 278 / 378 / 388 / TC2100 / 2088--TYT:Almost All with a two pin plug， former pin diameter of 3.5 mm and 2.5 mm in diameter after pin， double pin from 8 mm within， 11 mm center distance of 2 pin.[What's inside:]- 1 x Finger PTT Earpiece for Kenwood 2 Pin Radios