Megadream Wireless FM Transmitter, Wireless in-Car HD Stereo Cigarette Charging Adapter Car Kit with USB 5V/2.1A, Hands-Free Mic, LED Display, TF Card Slot and Aux-in Available Gold LCD DIGTAL DISPLAY: Full frequency FM transmitter LED Display Screen that displays battery voltage/song sequence /FM frequency/track/output current value/optimal current DESIGN: Exquisite appearance features easy installation and compact portable With AUX 3.5 mm line-in. Screen Clearer and more vibrant, avoid unwanted background noise. Automatically detect the charging device and charging environment. Automatically play and transmit the MP3 files of USB driver and TF card Hi-Fi STEREO SOUND QUALITY: Features leading sound processing and advanced A2DP chip, high-performance built-in microphone with call Eco canceling and (CNC) and noise reduction technology ensure you enjoy clearer conversation voices. This car FM transmitter provides you with clear phone calling and music FAST CHARGER AND AUTOMATICALLY: This wireless Car charger with USB output 5V/2.1A and security assurance devices charge fast without damage your battery. Can be automatically detect and adjust the different charging device/charging environment, match the optimal current, display output current value supply power for other devices COMPATIBLE : MP4,MP3, Laptop Computers, Phones, Digital Cameras, Other AC and USB Appliances, Apple iPhone XS XR X 8 8Plus 7 7Plus 6S 6 5S, iPad Air 2, iPad Mini 4, iPad Pro, Samsung Galaxy S9 S8 S7 Note 9 8 A9 C9, HTC One, LG, Sony Xperia, Moto, Google, Nokia Lumia, Huawei, Xiao MI and Android Tablet PC etc.