【38W PD & QC Quick Charging】There are 3 USB ports, that can fast charge two devices simultaneously via the PD3.0 and QC3.0 port (38W in total) and one port for normal charging. The PD Port up to 20W output can fast charge compatible devices to 50% in just 30 minutes. Extremely faster than regular charging way, 15% in 30 minutes. | 【9 Colored LED Backlight】7 single-color lighting modes and 2 cycle color modes can get a visually stunning display of colors, including red, blue, green, yellow, purple, cyan, white, rainbow, breathing rainbow. You can keep color or turn off the LED. Create new atmosphere to the car interior space. | 【Enhanced Microphone & Hands-free Calling】The FM Bluetooth transmitter car utilizes stronger microphone and equipped with noise and wind suppressed by CVC. All in one button: answer/reject/hand up/recall enable you seamlessly switch between incoming calls and music. | 【Enjoy Hi-fi Music with Bass Effects】The car Bluetooth adapter is carried with Bass sound effects, which can enhance the music like heavy bass songs or light music. Moreover, it supports music playback from Bluetooth enabled device or USB flash drive. | 【Wide Compatibility】 Bluetooth FM transmitter for car can be used with any Bluetooth device such as iPad, iPhone, iPod, HTC, Galaxy, Sony, MP3 player, tablet and Android Smartphones. And it fits 12V-24V cars.