Dual Fast Charging PortsAs a car charger, it provides 18W USB-A QC3.0 30W USB-C PD fast charging options. You can charge your phone, smartwatch, or tablet simultaneously from 0% to 80% in just 30 minutes while stuck in traffic or running errs in town. Smart circuits protect devices from overcurrent, short circuit, overheating, overcharging! Bluetooth 5.3 \\u0026 HIFI MusicAdopting Bluetooth V5.3, it works great with higher stability, making pairing transmission on various devices faster easier without dropped calls audio glitches. This FM transmitter allows you to stream lossless music from any Bluetooth-enabled device, allowing you to wirelessly access your favorite playlists on the road even in your 1994 Mazda Miata! Compact \\u0026 Metal HousingThis Bluetooth car adapter features a small stylish one-piece structure that fits snugly into the cigarette lighter, freeing up more space on the dashboard. It is made entirely of heavy-duty zinc alloy with a delicate texture to ensure long-term use, better heat dissipation, will not melt catch fire, is safer than plastic! Hs-free CallingThe highly sensitive built-in microphone can pick up your voice well, with the help of CVC noise cancellation technology to eliminate background noise, phone calls are clear can be easily heard by both the car the caller. Since you can answer reject calls with just the touch of a button, you will definitely enjoy a clear hs-free calling experience! Enhance Your Driving ExperienceIt helps monitor the car voltage, there is a blue ring light around the housing to help find it quickly in the dark provide some necessary brilliance to your car. This Bluetooth FM transmitter can transmit any audio from your phone to the car system, including navigation voice assistant, giving your old car a new look!