Description: This is a headset of motorcycles， bicycles， ATV's for two way radios， Includes two speakers that allow attached inside the helmet anywhere. The Velcro can be buckle on a vehicle Steering wheel and quickly activated with the push to talk (PTT) button located in the centre of the switch. This ensures you can remain in contact with colleagues at all times and relay instructions or share information at the press of a button. This earpiece us made from components and materials that are durable， reliable and ensure the earpiece won¡¯t let you down in the middle of an emergency or challenging situation. When you don¡¯t want to out your safety of that of team members at risk from relying on cheap， poor quality equipment， this earpiece is the sensible choice. It will provide you with the sound performance you can rely and the durability that ensures it will continue working in even the most challenging environments. Professional users : Racing driver， cycling enthusiasts， police， officer fireman military personnel FBI / CIA / secret agents Bodyguard， And Great for use in police， military， security， bouncer. Specification: Speaker Size 36mm Microphone Size 9.7*6.7mm Sensitivity 91 dB， +/-3dB Frequency Response 20-16000 Hz Impedance 32 ohms， +/-15% Sensitivity -36 dB， ¡À 2dB Audio input 100mW Impedance 2.2K ohms Length 148cm Weight 150g Notice: Before buying， Make sure it fits your transceiver. Model Series: Number: TYT TYT-300 /500 /600 /800 /900 /9900 /T3 TH-F2 /F3 /F5 /F6 /F7 /F8 UVF9 HYT(Hytera) TC-268， TC-368， TC-268S， TC-368S， TC-368G， TC-265， TC-265S， TC-365， TC-365S， TC-270， TC-370， TC-380，TC-380M PUXING PX-777 PX-777+ PX-666 PX-888 PX-888K PX-328 PX-333 PX-999 PX-555 QUANSHENG TG-K4AT， TG-2AT， TG-45AT， TG-42AT， TG-22AT， TG-25AT， TG-UV2 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 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 KENWOOD -Talk， Pro-Power Free-Talk， Protalk XLSTK-208， TK-220， TK-240， TK-240D， TK-248， TK-250， TK-260， TK-260G， TK-270， TK-270G， TK-272G， TK-272， TK-278G， TK-308， TK-320， TK-340， TK-340D， TK-348， TK-350， TK-353， TK-360G， TK-360， TK-370， TK-370G， TK-372G， TK-372， TK-373G， TK-373， TK-378G， TK388G， Pro-Talk TK-430， TK-431， TK-2100， TK-2102， TK-2102L， TK-2107， TK-2118， TK-2160， TK-2170， TK-2170K， TK-2200， TK-2200L， ， TK-2200LP， TK-2202， TK-2202K， TK2212， TK-2212K， TK3100， TK-3101， TK-3102， TK-3107， TK-3130， TK3131， TK3160， TK3170， TK3170K， TK3173， TK-3200， TK-3200L， TK-3200LP， TK-3202， TK-3202K， TK-3202L， TK-3230， TK-3230XLS 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， TH-K2AT， TH-K2E， TH-K2ET， TH-21， TH-21AT， TH-21BT， TH-22， TH-22A， TH-22AT， TH-22E， TH-25， TH-26， TH-27， TH-28， TH-31AT， TH-31BT， TH-41AT， TH-41BT， TH-42， TH-42A， TH-42AT， TH-42E， TH-45， TH-46， TH-47， TH-48， TH-55， TH-75， TH-77， TH-77A， TH-77E， TH-78， TH-78A， TH78-E， TH-79， TH-79A， TH-79E， TH-G71， TH-205， TH-205A， TH-205AT， TH-205E， TH-215， TH-215A， TH-225， TH-225A， TH-235， TH-235A， TH235E， TH-315， TH-315A， TH-415， TH-415A， TH-415E KPG27D， KPG29D， KPG48D， KPG49， KPG55D， KPG56D， KPG62D， KPG66D， KPG69D， KPG70D，KPG74D，KPG75D， KPG77D， KPG82D， KPG87D Package included:1 ¡Á Motorcycle Helmet Headset for Baofeng Radio