Features:1. All of our items are Brand new!2. The acoustic tube fits snugly in the ear and keeps your conversations private.3. Hands free compatible with radios that are hands free capable.4. Excellent for use in police， military， nightclubs， bars， paintball， security， restaurants， hotels， bouncer， warehouses， and noisy environments.5. Weight: 38g/piecePackage Includes:1x Covert Air Acoustic Earpiece Headset CLW Compatible for KenwoodTH-F6/F6A/D7/D7A/D7AG/D7E/F7/F7E/G71/G71ATH-G71E/K2/K2A/K2E/K2ET/21/21AT/21BT/22TH-22A/22AT/22E/25/26/27/28/31AT/31BT/41AT/41BTTH-42/42A/42AT/2E/45/46/47/48/55/75/77/G71TH-205/-215/225/235/235A/235E/315/41TK-208/220/240/240D/248/250/260/260G/270/270G/308，TK-360G/370/ 370G/372G/373G/320/340/340D/348/350TK-378/378G/430/431/353/360TK-2100/ 2102/2130/ 2160/3100/3101/3102/3107，TK-3118/3130/3131/3160 etcLintonLT-2288/3288/6288/5288/3188/2188/3260/2268/3268，/6288/6188/3288APUXINGPX333/888/888K/328/358/999/666/777/777PLUS，WOUXUNKG-UVD1/UVDIP KG-669/659/679/689/639/699/801QUANSHENGTG-K4AT/2AT/22AT/45AT/42AT/25AT/UVRELMRPU416，RPV516，RPU499，RPV599XWEIERWEIVEV-3288S，VEV-6288，VEV-3288BAODEENGUV-5R Series BF-480/490/320/V6/520/530/999/888/777/666S/777S/888SHYTTC286 386 2685 3865 6685， TC 278 378 388， TC 2100 2088TYTAlmost 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.