Previous page Next page 1 Effective Noise Reduction 2 Comfortable to Wear 3 Foldable for Carrying Volume Adjustable Gently rotate volume adjustable knob on the side of two way radio headset to achieve volume adjustment. Meet the needs for volume control in different environments. PTT with rotatable Clip Back of the walkie talkie headset PTT has a rotatable clip design. Conveniently fix the PTT in convenient place to press while speaking. Fits Left or Right Ears Back of the walkie talkie headset PTT has a rotatable clip design. Conveniently fix the PTT in convenient place to press while speaking. Strong Stretchable Wire Durable walkie talkie headphone cable is stretchable. Meet the needs of different heights. Unstretched length of wire is 3.81IN/116CM and stretched length is 9.19IN/280CM. And strong wire greatly extends the life of headphones. K Head 2 Pin Pin type of walkie talkie headset is K head 2 pin. Compatible with Retevis RT27 RT22 H-777 RT68, Compatible with Baofeng, Compatible with Kenwood walkie talkies and more Microphone Type condenser microphone Microphone Sensitivity -45 Microphone Frequency Response 100Hz-8000Hz Microphone Impedance 200-2KΩ Speaker Type Dynamic speaker Speaker Material NdFeB Speaker Impedance 32Ω Speaker Impedance 95dB Speaker Frequency Response 300-4000Hz K Head 2 Pin Compatible with Retevis:RT22/RT27/H777/RT17/RT19/RT15/RT66/RT68/RB17/RT5R/RT67/RT85/NR10 Kenwood: tk3312/TH-F6/F6A/D7/D7A/D7AG/D7E/F7/F7E/G71/G71A; TH-G71E/K2/K2A/K2E/K2ET/21/21AT/21BT/22 BAOFENG: UV-5R Series BF-480/490/320/V6/520/530/999/888/777/666S/777S/888S Linton: LT-2288/3288/6288/5288/3188/3260/2268/3268,/6288/6188/3288A PUXING: PX333/888/888K/328/358/999/666/777/777PLUS WOUXUN: KG-UVD1/UVDIP KG-669/659/679/689/639/699/801 QUANSHENG: TG-K4AT/2AT/22AT/45AT/42AT/25AT/UV RELM: RPU416,RPV516,RPU499,RPV599X WEIERWEI: VEV-3288S,VEV-6288,VEV-3288 HYT: TC286 386 2685 3865 6685, TC 278 378 388, TC 2100 2088