This earpiece compatible with following two pin Baofeng radios: Baofeng BF Series BF-480, BF-490, BF-320, BF-V6, BF-V7, BF-V8, BF-658, BF-520, BF-530, BF-999, BF-888, BF-777, BF-777S, BF-888S, BF-999S.
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