Car bluetooth transmitter for Dual Microphones & Hands-Free Calling: This bluetooth car adapter utilizes dual microphone, greatly pick up voices from all direction while driving benefited from superior sound reception and noise suppression (CVC) technology effectively reduce road and wind noises. The hands-free car kit make your driving more smarter and safer.FM bluetooth transmitter car with Hi-Fi & 1-Key Bass Booster: The bluetooth car transmitter 5.0 with DSP technology could deliver 2x steadier transmission speed without distortion for Hi-Fi stereo music. car radio bluetooth transmitter with a 1-key enhance Bass button, you can select your favorite mode between Hi-Fi or deep bass mode by pressing the button "B".Bluetooth fm transmitter car with QC 3.0 & PD 20W Quick Charging: Car fm transmitter Coming with 2 USB ports(QC3.0 and PD 20W), You can charge two devices simultaneously. The PD Port up to 20W output, compatibility with lastest iphone, ipad, cellphones, tablets etc.Radio transmitter car bluetooth with 7 Colored LED Strip & Music Play Modes: FM transmitter supports 7 colors LED backlight, including red / green / blue / yello / purple / cyan / silver white, will give you a visually stunning display of colors, which is a nice way to match the colors already in the car. You can stream music on your bluetooth adapter via bluetooth/ USB disk (32GB) / microSD card (32GB).Bluetooth receiver with LED Voltmeter Display & Voice Assistant: The radio transmitter for car will display cars voltage when plugged into the cigarette lighter. Keep abreast of car battery health at all times to avoid problems when driving. Also it support active Siri, Google Assistant or Samsung Bixby to make phone calls.Radio bluetooth transmitter car with Wider Wireless Reciever Range: RM170 fm transmitter bluetooth car reciever provides wider range from 87.5MHz to 108 MHz, you can get more stable and consequent music experience without interference. This Bluetooth car adapter fits most devices that support Bluetooth function, and all vehicle type including car, van and truck(12-24V)car audio fm transmitters for Hands-Free Calling: bluetooth fm transmitter car kit built-in microphones supporting smart voice navigation, one key release your hands, answer and reject calls during driving, and noise suppression (CVC) tech can greatly pick up your voice during driving, and effectively reduce noise, let you achieve a satisfactory handsfree call experience.