Warning: The Bluetooth module does not include the headset and walkie talkie, the Bluetooth module must be paired with the headset to use. Description: HB-6A hands-free kit includes the HB-6A Bluetooth adapter, wireless PTT button (Does not include the headset and walkie talkie), The Bluetooth module can fit for Bluetooth headset with Bluetooth version 4.0 and above. K interface for models: almost all brands two-way radio from China. Type Hidden acoustic tube earphone for Kenwood for Kenwood KPGKPG27D, KPG29D, KPG48D, KPG49, KPG55D, KPG56D, KPG62D, KPG66D, KPG69D, KPG70D, KPG74D, KPG75D, KPG77D, KPG82D, KPG87 DFor Kenwood THTH -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, TH31BT, 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 TKTK-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-2102/3102Pro-Power,TK-2107/3107Pro -Talk,TK2207,TK3207,TK-2160/3160,For BAOFENG Almost all: UV5R, UV5RA, UV5RB, UV5RC, UV5RD, UV5RE, UV5REPlus, uv5R+, UV5RO, A52, UV8, UV8D, UVB5, UVB6 BF-480/490 /320/V6/V7/V8/658/520/530/999/888/777/666S/777S/888S/388A/F8+/A5/HYTTC286 386 2685 3865 6685, TC 278 378 388, TC 2100 2088 for puxing u/ for QUSHENGAN/for LINTON/for TYT etc almost all with two pin plug, former pin diameter 3.5mm and 2.5mm diameter after pin, double pin from 8mm inside, 11mm center distance 2 pin.