Bluetooth transmitter, radio adapter, car hands-free kit, Bluetooth cigarette lighter adapter, QC3.0 fast charging

[Dual Smart USB Ports - PD 3.0 + QC 3.0] Charge two devices simultaneously. Compatible with iPhone 6/7/7 Plus/8/iPhone X, Samsung S9 Plus/S8/S7/S6/EDGE, THC, LG, and other mobile phones, tablets, and USB devices. The Bluetooth transmitter connects to your car's cigarette lighter socket. It features two USB ports: a 30W USB-C PD 3.0 port and an 18W USB-A QC 3.0 port, offering charging speeds up to 4 times faster. [Hands-Free Calling] Upgraded Bluetooth car adapter with a built-in microphone. During a call, music playback automatically switches to hands-free mode. A single press of the main button answers/ends a call, a long press rejects a call, a double-click redials the last number, and a long press activates Siri. Simplified one-button control for safer driving. [LED digital display and multi-color ambient lighting] Displays the vehicle's voltage after plugging the FM transmitter into the cigarette lighter socket and turning it on. Seven lighting modes (red/green/blue/yellow/purple/cyan/white) create a comfortable and romantic atmosphere in your car, tailored to your mood. It also automatically connects to the last paired phone.