Portable Handheld Speaker Mic for Motorola Walkie Talkie, 3.5mm Headphone Jack Speaker Mic Walkie-talkie Radio Hand Microphone with Steel Belt Clip for Motorola GP88S, GP2000, GP88, GP3688, etc. 3.5mm Headphone Jack: It is compatible with most of earphones, very convenient and the dust plug effectively prevents the dust from getting into the jack.
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