1.Single ears hang design, convenient and practical.2.Rotate , wear comfortable.3.Arc edge design, scratch-resistant armguard.4.Plug type K, suitable for most models.5.PPT buttons, beautiful and practical.In-ear design, avoid leaky, isolated from the outside noise effectively.Advanced acoustic catheter, providing clear soundLightweight and flexible, and comfortable to wear.High sensitivity microphone, transparent conduit concealed;High elastic PU green wire, strong and durable.PTT switch durable.Has a noise canceling feature, even if the signal is not affected.Applicable models :forMotorolaSL1M , SL1K , SL1600 , SL300 , SL7500 , SL7550 , SL400 , SL4000 , SL4000e , SL4010 , SL7000e , SL7550 , SL8550e , XIRP3688 , SL16000, etcColour:blackMaterial:ABSPackage Contents:1 x Walkie Talkie HeadsetOnly the above package content, other products are not included.Note: Light reflection 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.