Features Dual Usb Car Charger 2 Usb Charging Port To Charge Most Usb Devices. Input 12V/24V, 1A Port With Usb Reading And Charge Function; Smart n 1 A Charge Port Which Can Intelligently Identify Android Or Iphone Devices And Charging.More Compatibility Wireless Bluetooth Fm Transmitter Adapter For Car Radio, Transfer Calling/Mp3 Music/Cellphone Voices To Car Speaker. Compatible For Ipad, Iphone, Samsung, Google, Lg, Htc And Bluetooth Device.Hands Free Function Built-In Microphone, Switch To Hands-Free Mode Automatically From Music Playing Status When Receiving Calls. Answer/Reject/Hand Up/Recall All In One Key.Car Battery Voltage Function Show 3 Seconds Voltage When Plug Into The Cigarette Port. Always Keep Battery State Of Health. Then It Turn To Automatic Play Mode.Music Playing Support Bluetooth /Usb Disk/Tf Card/ Mp3/Wma Player. With Anti-Interference Performance And Cvc Technology. Listening To Music While Charging. Automatically Connect Memorized Paired When Power On.Specification Screen Led DisplayPower Supply Dc12-24VData Interface Usb2.0Usb Output n1A Max(**Qc3.0 Port Dc n5-n5V/3A, n5V-9V/2A,9-12V/n5A)Support Tf Card/U Disk Capacity Up To 32GbSupport File Type Mp3/Wma/Wav/Flac/ApeLaunch Distance Lt;5 MetersFm Frequency Range 87.5-108Mhz (100Khz Stepping)Working Temperature 0-60You Will Receive 1X Car Quick Charger 1X User Manual The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom’s policies and EU/AU/NZ/US Product Safety and Compliance laws.