Special Features:The battery for controller not included due to post office rules but it is a very regular button battery which you can buy in anywhere.Radio Tuner、Bluetooth、Charger、FM Transmitter、Mobile Phone、MP3 PlayersPlacement:In-DashRadio Response Bandwidth:87.5-108MHzResolution:256*186Car Maker:Acura、Aston Martin、Audi、Bentley、BMW、Bugatti、Buick、Cadillac、Chevrolet、Chrysler、Dodge、Ferrari、Ford、GMC、Honda、Hummer、Hyundai、Infiniti、Jaguar、Jeep、Kia、Lamborghini、Land Rover、Lexus、Lincoln、Lotus、Maserati、Maybach、Mazda、Mercedes-Benz、Mercury、Mini、Mitsubishi、Nissan、Pontiac、Porsche、Ram、Rolls-Royce、Saab、Saturn、Scion、Shelby、Smart、Subaru、Suzuki、Tesla、Toyota、Volkswagen、VolvoOut Power:50W*4OSD Language:EnglishDisplay Size:2.5"Item Size:188mm(W)*58mm(H)Voltage:12VAudio Format:APE / FLAC / MP3 / WMA / WAVOperating Voltage:10V-14VProduct specification: Built-in Bluetooth + Microphone Support hands-free calls. Support advanced audio transmission mode. Support the clock indicating while power is off. High-quality digital stereo FM radio Support three-band radio store FM1-FM2-FM3、 and can preset 18 radio stations. (Radio frequency: 87.5-108MHz) Support USB/SD/MMC card reader. Support audio: APE/FLAC/MP3/WMA/WAV formats and so on. Support folder play function Support breakpoint memory and ID3 play.Support remote control.Rotary electronic volume controlMP3 play supports pause /preview/repeat/random play and 10 tracks up/down selections. Electronic type bass/treble/left and right balance/front and back balance volume controlMultiple EQ scenario mode choice: jazz、 rock、 pop、 classical、 etc.Support mute and equal loudness (LUOD) control.Front AUX audio input hole and rear terminal L / R audio RCA output hole. 4 track high-power output (4 high-power loudspeakers) 50W*4 Work Voltage: DC10V-14V (24V choice) Body Size: 178MM (Width)*50MM (H)*125MM (D) Shape Size: 188MM*58MM (H)