ITEM NAME:Air Acoustic Tube Earpiece for Baofeng Walkie Talkie Portable Radio Accesso A6C4 Air Acoustic Tube Earpiece for Baofeng Walkie Talkie Portable Radio Accesso A6C4 Single ears hang design, convenient and practical.Rotate 360 degrees, wear comfortable.Arc edge design, scratch-resistant armguard. Plug type K, suitable for most models.PPT buttons, beautiful and practical. In-ear design, avoid leaky, isolated from the outside noise effectively. Lightweight and flexible, and comfortable to wear.High elastic PU green wire, strong and durable. Headset mic for Baofeng BF-888S UV-5R ....... walkie talkie.Suitable for model Type Covert Acoustic Tube Earphone For Kenwood KPG /TH /TK Frequency response: 20-16000 hz. Sensitivity: -36 db, + / - 2 db. 102 dB, + / - 3 dB Impedance: 2.2 K ohms to 90 ohms, + / - 15% colour: black Material: plastic Package: 1 x Mic Earpiece Earphone Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.