Acoustic Tube Earpiece for Motorola Radio HT1000 XTS2500 XTS3000 XTS3500 XTS5000 Two Way Radio
https://www.vogueparade.com/shopping/EN/200380144/1/1005003643737602/acoustic-tube-earpiece-for-motorola-radio-ht1000-xts2500-xts3000-xts3500-xts5000-two-way-radio//