This Retractable Throat Vibration Finger PPT Acoustic Tube Earphone + Mic for Kenwood is of great connection， great sound， easy operation. Apart from surveillance purposes， this Handsfree Earphone is also commonly used for security at airports， casinos， manufacturing plants， crowd control at conventions and concerts， and other working environment requiring discret communications. Soft and environmental friendly ear hanger and friendly PU cable. This black earphone is ideal for demanding covert security applications where sound clarity and durability are of paramount importance. This Microphone Earphone is great choice for you.                                    Features                New and high quality<br>    Low-profile， flexible， transparent acoustic tube transmit sound in high quality<br>    The transparent tube would be hardly noticed by others around you<br>    The plastic earbud fits snugly to your ear canal<br>    The hidden microspeaker is located in the centre of PTT switch<br>    Can be any removable parts， you can adjust the volume on the headphones<br>                                                            Specifications                3.5mm + 2.5mm earphone / microphone plug<br>    Compatible with Kenwood walkie talkie<br>    Comes with a replacement earbud<br>    Transparent Cable Length: 50cm<br>    Black Cable Length: 183cm<br>                                                            Package Includes                1 x Retractable Throat Vibration Finger PPT Acoustic Tube Earphone + Mic for Kenwood<br>    2 x Accessories<br>