IFeng Porous Handheld Microphone Speaker MIC with Red Light for Walkie Talkie Interphone Baofeng UV-82 It could be used with dual-band. 2 Pin (1x 2.5mm and 1 x 3.5mm Jacks) These is 3.5mm earpiece socket on the underside for privacy usageBack with strong clip and convenient for use. The cable is still backward compatible and can be used on all models of BaoFeng that do not have the dual push-to-talk system the top button will simply not do anything. Package Included: 1 x BAOFENG Speaker