PD 3.0 & QC 3.0 Fast Charging: Possibly the latest, fastest, and most efficient USB charging technology. Up to 4 times faster than regular chargers because it can charge compatible devices to 80% within 35 minutes. Enjoy hands-free calls: Built-in microphone technology provides a stable connection and echo cancellation can reduce background noise for better hands-free calls, allowing you to answer phone calls with a single button press. Hi-Fi deep bass & background lighting: Bluetooth FM transmitter for car can stream clear stereo music, delivering crystal-clear sound while you enjoy your long road trip with loved ones. Additionally, blue LED background lighting pulses in rhythm. Easy call handling: Background noise is reduced by built-in microphone technology. With just one click, you can accept, redial, hang up, or decline calls while keeping your eyes on the road, making driving more engaging and safe. BROAD COMPATIBILITY: This Bluetooth M transmitter can pair with all Bluetooth-enabled devices. It is compatible with iPhone, iPad, iPod, tablet, Samsung, HTC, Sony, and other Android smartphones. It fits cars and trucks with 12-24V.