Product Name: Motorcycle Full Face Helmet Headset Earpiece for Baofeng Model NO.: SF-MH52-K1 Jack Type: Plug-in Jack Diameter: 3.5mm Function: Microphone, Noise-Cancelling Usage: Two Way Radio Communication: Wired Type: Electret Earphone Color: Black Wire Material: PU Connector: for Kenwood Two Pins Use for: Two Way Radio Application: Police, Military, Nightclubs Ppt: Puch to Talk Button Trademark: Safeway Transport Package: PE Bag for Each PCS Specification: For kenwood two pins Origin: Shenzhen, China HS Code: 85183010 Product Description Features:Motorcycle headset for two-way radio.1.Noise canceling boom microphone is excellent.2.With coiled PU cable tor retractable use.3.Dual speakers for increased sound and clarity, fit into the ear well of all headsets.4.Matel connector with screws.5.PTT button (included) secures to handlebars and controls the two-way functions of radio & idem.6.Works for open face helmet design.7.Available for Icom,standard,Yaesu, Kenwood,Motorola,transceivers and others.Speaker:Speaker size:36mmSound pressure level:90dB±3dBImpedance:32 Ω±15%Audio output:200mWMicrophone:Size:9.7*6.7mmFrenquency response:20-16000 HzSensitivity:-36dB±2dBImpedance:2.2K ΩCompetitble for kenwood following radiosTK Series:TK-208, TK-220, TK-240, TK-240D, TK-248, TK-249, TK-250, TK-253, TK-255, TK-260, TK-260G, TK-270, TK-270G, TK-272, K-272G, TK-273, TK-278, TK-278G TK-2200L, TK-2202L, TK-2206, TK-2207, TK2300, TK-3100, TK-3101, TK-3102, TK-3107, TK-3118, TK-3130, TK-3131, TK3160, TK-3170, TK-3173, TK-3200 TK-3200L, TK-3202L, TK-3201, TK-3202, TK-3206, TK-3207, TK-3230, TK3300TH Series:TH-28A, TH-28E, TH31, TH31A, TH31BT, TH41, TH-41A, TH-41BT, TH-41E, TH-42, TH-42A, TH42-AT, TH-42E, TH-45, TH-45A, TH-46, TH46A, TH-46ATTH- 46E, TH-47, TH-47A, TH-47E, TH-48, TH-48A, TH-48E, TH-55, TH-55AT, TH-75, TH-75A, TH-75E, TH-77, TH-77A, TH-77E, TH-78, TH-78A, TH-78E, TH-79Other connector optional:Can be modified according to the customers' demands on all kinds of brand handheld radios