Fangrui Product Details Description: New Car Mp3 Bluetooth Player Fm Transmitter Car Bluetooth Mp3 Car Charger Multifunctional Car Charger Shell Material: Aluminum Alloy + Pc Product Color: Silver/gold/black Total Output: 15.5w (max) Usb1 Output: 5v-3.1a (max) (smart Shunt) Usb2 Output: 5v-3.1a (max) (intelligent Shunt, Play Mp3 Music) Quality Certification: Ce Product Weight: 40g (including Packaging) Specifications: [with Digital Display] With Led Display To Display Car Battery Voltage, Hands-free Call, Fm Transmission, Bluetooth 5.0 Lossless Connection, Music, Navigation Broadcast, U Disk Mp3 Playback [dual Usb Interfaces] Dual Usb Interfaces Supply Power At The Same Time, Built-in Management Chip, Intelligent Shunt And Fast Charging Will Not Hurt The Machine [intentional Craftsmanship] It Is Made Of Aluminum Alloy Material And The Streamlined Design Of The Casing, Which Is Processed By 18 Processes Such As Cnc Machining, Polishing, Sandblasting, Oxidation, And Laser Engraving. [circuit Protection, Safe To Use] 5-layer Circuit Protection Of High-performance Main Control Chip Is Adopted, Which Is Safer To Use Together. [wide Applicability] Metal Elastic Contact Design, Suitable For Different Sizes Of Cigarette Lighters, Can Carry 12v/24v Wide Voltage Input, Compatible With Most Models On The Market, Compatible With A Wide Range Of Matching, Smart Phone, Bluetooth And Tablet, At The Same Time Meet The Charging Of The Main And Auxiliary Drivers Package Included: 1*car Charger