Feature:Related personnel: polices, military, bouncers, HAM amateurs family businessmen and members of the Team.Only can listen, not suitable for speaking.Suitable for police, military ,nights ,bars ,ball ,security , hotels,restaurants, bouncer, warehouses, and noisy environments.Specifications:1. Frequency Response Range: 20-20000Hz2. Is wireless: No3. Support Apt-x: No4. Sensitivity: 90±3dB5. Communication: Wired6. Function: Common Headphone7. Resistance: 8Ω8. Style: Hook9. Connectors: about 3.5 mm / 0.10 inch10. Application:for Motorola/ICOM11. Item: Single Ear EarphonesFeature 1: Only for ListeningFeature 2: Walkie Talkie HeadsetFeature 3: Interphone HeadphonesFeature 4: Coi Cable Line12. Compatible with:for Motorola seriesPR1500, HT1000, JT1000, MT1500, MT2000, MTS2000, MTX8000, MTX9000,XTS1500, XTS2500, XTS3000, XTS3500, XTS5000, MTX838, MTX-LS,GP2000, GP2100, GP300, GP 308, GP68, GP88, GP88S.for ICOMIC-R2, IC-R5, IC-V82, IC-U82, IC-T22A, IC-T22E, IC-T42A, IC-T42E, IC-T2H, IC-T7H, IC-T90, IC-W32A IC-02AT, IC-03AT, IC-04AT, IC-2GAT. IC-2GXAT,IC-4008A, IC-4088A, IC-A4, IC-A5, IC-A6, IC-A110, IC-F10, IC-F20, IC-F11, IC-F11S, IC-F12N, IC-F12SN, IC-F21, IC-F21BR, IC-F21GM, IC-F21S, IC-F22 N/W, IC-F31, IC-F31GS N, IC-F31GS-L, IC-F31GT N, IC-F3, IC-F3G, IC-F3GS, IC-G3GT, IC-F3S, IC-F4,IC-F4G, IC-F4GS, IC-F4GT, IC-F4S, IC-F4TR, IC-F43, IC-F43GS, IC-F43GT,IC-F43TR, IC-H2, IC-H6, IC-H16, IC-J12, IC-M5, IC-U12, IC-U16 and other models.Packing List:1 * G-Hook EarpieceNotice: If your walkie-talkie type is not in the list above, please see my other items or email us your model number, then, we will help you find one that suits for you