Features: Economical and durable/High quality/Ear hanging without damaging the ears/More secure and won't fall off. With a clip, it can be clipped onto the collar and other accessories to secure the earphone cable. Clear sound quality without noise/good contact/high adaptability Suitable for various scenarios: security personnel/service industry, etc Two standard diameters: in ear 3.5mm stereo (thimble). Microphone 2.5mm stereo (bottom pin) Two needle spacing: approximately 11 millimeters Suitable for various intercom models: For TYT: TYT-300/500/600/800/900/9900/T3 TH-F2/F3/F5/F6/F7/F8 UVF9 For PUXING: PX-777 PX-777+PX-666 PX-888 PX-888K PX-328 PX-333 PX-99 PX-555 For QUANSHENG: TG-K4AT, TG-2AT, TG-45AT, TG-42AT, TG-22AT, TG-25AT, TG-UV2 For WOUXUN: KG-699E, KG-689, KG-689 PLUS, KG-669, KG-669 PLUS, KG-659, KG-659 Plus, KG-679, KG-679 Plus, KG-889, KG-869, KG-819, KG-816, KG-UVD1P, KG-UV6D For BAOFENG: UV5R UV5RA UV5RB UV5RC UV5RE UV5RA+UV5R+UV3R+UV5 UV6 V85 B5 B6 BF-K5 BF-480 BF-490 BF-320 BF-V6 BF-V8 BF-888s BF-666s BF-777s BF-999 BF-888 BF-777 BF-658 BF-668 BF-530 BF-520 BF-658 Material: plastic colour: black Package Contents: 1 * Walkie Talkie Headset Only 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.