Sunroadway&reg; Bluetooth Microphone Mic for KENWOOD KDC-BT355U KDC-BT555U KDC-BT558U KDC-BT710HD KDC-BT755HD KDC-BT758HD KDC-BT855U KDC-BT858U KDC-BT955HD KDC-BT958HD KDC-X597 KDC-X598 Wire Length: 4 M , Please note: Some radios require a bluetooth adapter to use any microphone (not included in this auction) Will fit : KENWOOD KDC-BT355U KDC-BT555U KDC-BT558U KDC-BT710HD KDC-BT755HD KDC-BT758HD KDC-BT855U KDC-BT858U KDC-BT955HD KDC-BT958HD KDC-X597 KDC-X598