For Hytera HYT PD600, PD602, PD602G, PD605, PD660, PD662, PD662G, PD665, PD680, PD682, PD682G, PD685, X1e, X1p. 1 Walkie talkie air acoustic tube earpiece for Hytera PD680. Split design, convenient to replace,transparent catheter is close to the body color, easily hidden.
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