Siri & Google Assistant Compatible: ORIA Bluetooth FM transmitter supports Siri or Google, press and hold the "" button for 3 seconds to activate Siri/Voice assistant to call him, send a message or get driving directions. Enjoy complete voice-control while you driving. (it supports iPhone, Samsung, native Android system mobile phone). Note: Some phones do not support this feature . 2 USB Ports with QC 3.0 Smart : The Bluetooth FM Transmitter can charge two devices simultaneously. One is a Quick Charge 3.0 USB port to get your phone fully charged at a high speed which up to 4x speed of the conventional car charger. Charging efficiency is more than 80%. Note: Please choose Original Charging Cable to achieve fast charging.: The other is a 5V/1A port to charge your other devices efficiently, also can be used for USB music playing . 7 Colors RGB Light with Color Cycling: Designed with digital display, it can detect and display the voltage of car battery after power on. Our FM transmitter with 7-colors guided background lights can be easier to see in the dark, which will make your car 's internal layout looks cooler and more attractive. In addition, the compact design saves space and prevents the shift lever from being driven . Safe with Crystal Hands-free Calls: Comes with built-in Smart IC, over-voltage protection and Built-in microphone with Echo Cancellation and Noise Suppression technology, it is carefully designed for your answer/hang up/reject a call/redial the last number via the multifunctional button to keep your safety when driving. Seamlessly switches between incoming calls and music . 3 Playing Modes with Broad Compatibility: Transmit music from Bluetooth connection, TF card, USB disk Support A2DP and MP3/WMA/FLAC/AAC/WAV format music. Stream music and make phone calls directly from your cell mobile devices to car stereo system speaker via FM radio signal (87.5-108.0MHz). Kira EU offers every customer 45-DAY MONEY BACK GUARANTEE & 1 YEAR WARRANTY and Free Life-time Technical Support .