Product Name: Walkie Talkie Noise Cancelling Headphone for Motorola Xpr6550 Model NO.: SF-EH41-M11 Jack Type: Plug-in Jack Diameter: 3.5mm Function: Noise-Cancelling Usage: Aviation Communication: Wired Type: Noise Cancelling Headset Color: Red, Black, Yellow Wire Material: PU Connector: for Motorola Xpr6550 Use for: Two Way Radio Application: Police, Military, Industrial Ppt: Puch to Talk Button Trademark: szsafeway Transport Package: Carton Box Specification: For Motorola Origin: Shenzhen, China HS Code: 85183010 Product Description Features:Noise cancelling headset with boom microphone3 Push-to-talk Buttons with VOX functionAdjustable call volume according to your demand.Three color for optional:Black, red, yellowVolume knob (1PTT volume knob).It equips with a3.5mm mono headphone jack under the helmet PTT.3 Push-to-talk Buttons (1 big PTT, 1small finger PTT and 1helmet PTT).The mic is VOX ready.It can work in VOX mode with radios which has built-in VOX function.If your radio does not have built-in VOX function, it can still work in PTT mode.2 large soundproofing earpieces close to your ears, which is not sensitive to the background noise.This is ideal for usage in high ambient environment such as driving, riding motorcycles and bicycles.High-quality material and functionIt is popular application in the manufacturing engineers, technicians processing industry, construction teams, airport staff, racing teams working in noisy environmentsCompetible for Motorola following radios:XRP6550,XPR6500,XIRP8260,XIRP8268, DP3400,DP3600,DP3601,etcOther connector optional:Can be changeable for other different connector according to the customers' different radios