Description: 1. Shell material: ABS 2. Shell surface technology: fine lines, high gloss 3. Features: patent appearance. Large white screen, separate voltage indicator 4. Input: 12-24 5. Output: 5V-1.0A or 5V-3.0A; 6. Total power: 7.5-20W 7. Type of output port: USB, Type-C 8. Protocol: 5.0 Bluetooth 9: Hardware functions: FM transmitter, Bluetooth, USB charging, U disk reading, colorful lights, EQ function Specifications: Ambient lighting support Support battery voltage detection Auto power off function Supports FM stereo broadcast technology Support U disk playback Support WMA, MP3, WAV, FLAC music format files Wireless support A2DP, AVRCP, HFP, HSP Wireless support for hands-free calling Support wireless compatible stereo music DSP technology Dual USB 3.0A 1A, Tpye-c fast charging One key EQ, dual screen display Package includes: 1 * Bluetooth FM transmitter No fear of shock and impact No power failure Lock firmly cigarette light port, accompanying you on your journey to the north and south Born for the car silent understanding Whether it is a family car, a morning SUV or an off-road sports car, it can be used for safe and free charging Hands-free calling Strong compatibility with quality brotherhood Using intelligent adaptation technology, supports most brands in the market mobile phone Tablet, iPad and other mobile digital devices Loudspeak calling Noise canceling microphone ensures crystal clear calls Wireless loud calling Fast charging 30% faster Using intelligent fast charging technology, dual USB2.1 ensures that the output charging speed is fast and uninterrupted. Intelligent Bluetooth 5.0 chip New Bluetooth 5.0 version, signal stability, Wei screen interference, high-performance, low power consumption , intelligent noise reduction oacute;w, calls moreclear break reduction intelligent temperature for a long time charging is not hot