Feature:1. Made of high quality ABS material, strong and durable.2. Clip this speakerphone to your shirt and you can start to communicate easily using radio equipment wherever you are.3. Noise reduction features provide excellent durability, reliability and performance in noisy environments.4. 2‑pin professional PTT headset with for TK arm microphone.5. Suitable for two‑way radios with K port earpiece plug.Spec:Condition: 100% Brand NewItem Type: HeadsetMaterial: ABSColor: As Pictures Shown Model: K port handsetWalkie talkie type: PortableStorage Channel: 10-580CHMaximum Range: 5km-10kmFrequency range: 10-1280mhzRadio Heavy Earphone: For TK-3107, for BAOFENG UV-5R radioTwo Earflap Earphones: PTTVOX heavy earphones for walkie talkiesFor Radio Headset: Two-way radio headsetImpedance: 32 Ohms ± 15%Frequency Response: 400Hz to 20 KHzSound Pressure Level: 102dB to 2dBMaximum Power: 50 milliwattsMicrophone: -54±2dBPlug Type: K PortSuitable for: For Baofeng: UV5R, Plus UV5RA, Plus UV5RB, UV5RC, UV5RE,Plus UV3R, Plus UV-8, D UV-82, UV-B5, UV-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,etc.For Kenwood: For KENWOOD -Talk, Pro-Power Free-Talk, Protalk XLS, TK-208, TK-220, TK-240, TK-240D, TK-248, TK-250, TK-270, TK-270G, TK-272, TK-272G, TH-D7, TH-D7A, TH-D7AG, TH-D7E, TH-F6, TH-F6A, TH-F7, TH-F7E, TH-G71, TH-G71A, TH-G71E, TH-K2, TH- K2A, etc.For TYT: TYT-300 / 500/600/800/900/9900/TH-F2/TH-F3/TH-F5/TH-F6/TH-F7/TH-F8/D/TH-For PUXING：PX-777 / Plus PX-666 PX-888/K PX-328 PX-333 PX-999 PX-555, etc.For Quansheng: TG-K4AT, TG-2AT,