Do not let the refurbished word fool you, these radio have been tested and come with warranty. Impeccable condition with all mounting, power, Noise Cancelling microphone, and other factory accessories included! COMES WITH A FREE SPEAKER AT NO EXTRA COST! ROADKING BUNDLE PACK! ROADKING CB RADIO + RK56 MICROPHONE + MOUNTING HARDWARE BRACKETS AND KNOBS FOR MIC AND RADIO + POWER CABLE + FREE PRO TRUCKER EXTERNAL SPEAKER This radio and microphone are matched specifically to eliminate static filled communication, all from one expert source. Features and Specifications:RK5640 with RK56 Noise Canceling Mic40 Channel AM OperationBacklit Control KnobsPublic Address FeatureRK56 Noise Canceling MicFront Panel 4 Pin Mic JackFront Panel 2.1 Amp USB Port to Use and Charge Portable DevicesOff/Volume/Squelch ControlMic Gain/RF Gain ControlDelta Tune ControlSWR Calibrate ControlChannel Selector ControlS/RF/SWR MeterS/RF-SWR-Cal SwitchNB+/ANL-ANL-Off SwitchCB/PA SwitchBright/Dim SwitchChannel 9/Off SwitchHi Cut/Off SwitchRX/TX Led IndicatorAntenna Warning LED IndicatorChannel DisplaySpecifications:Display Type: Adjustable Backlight DisplaySWR Calibration: YesNumber of Channels: 40External Speaker Capability: YesRF Gain: YesDelta Tune: YesMicrophone Type: Dynamic/Noise CancelingMicrophone Gain: YesDynamic Squelch Control: N/ATransmission Wattage: 4 WattsN.O.A.A. / Weather: N/ACB Scan: N/AInstant Emergency Channel 9: YesPublic Address Feature: YesProduct Weight: 4 Lbs. 3 Oz. (Including Mic)Product Dimensions: 7-9/32″ x 8-57/64″ x 2-13/64″ FeaturesFront panel 2.1 Amp USB port to use and charge your portable devicesRK56 Noise-Canceling CB Microphone with chrome grill and buttonBacklit control knobs with two brightness settingsSWR Calibration to fine tune the Perfect MatchRF Gain reduces sensitivity to distant noise and signals that are too weakSquelch control eliminates background noiseFront panel 4-Pin CB microphone connectorAntenna warning indicator alerts of a problem with the antenna systemSpecifications, Weight, DimensionsModesAMFrequency Range26.965 ~ 27.405 MHzLength8 3/4″ from back of case to bezelLength10 1/4″ from antenna jack to control knobsWidth7 5/16″Height2 3/16″Current Draw2 AmpMicrophone Pin-OutStandard 4-PinPower Connection3-Pin Standard