Upgraded Bluetooth 5.3 Technology: Bluetooth FM transmitter Car Adapter adopts upgraded Bluetooth 5.3 chip for faster, more stable and smarter connection with compatible devices, which optimizes the transmission delay and connectivity flaws of the old version of Bluetooth, and brings you unprecedented high-fidelity music. | Type-C PD(30W) and USB Car Charger: The bluetooth car adapter is equipped with Type-C PD(30W) and USB charging ports, which can provide faster speed than normal port. You can simultaneously charge 2 compatible devices. | Widely Compatible: Our Bluetooth 5.3 FM transmitter adapter for car radio, transfer calling/MP3 Music/Cellphone voices to the car speaker. Compatible with most smartphones and Bluetooth-enabled devices. Such as iPhone/iPad Pro/Samsung/Google/MP3 player/Android phone. Fit 12-24V car cigarette lighter (car, suv, truck, etc.) | Clear & Stable Hands-Free Calling: Hands-free design makes your driving easier and safer. The bluetooth fm transmitter for car built-in high-performance noise suppression microphone for a clearer and smoother call, switch to hands-free mode automatically from music playing status when receiving calls. Answer/Reject/Hand up/Recall all in One key. | Music Adapter & Player: Connect car radio and this Bluetooth adapter via the FM channel. Then you can enjoy music from Bluetooth devices/USB flash drive to the car stereo. With anti-interference performance and CVC technology. Listening to music while charging. Automatically connect memorized paired when powered on. | 7-Color LED Light: Rainbow light design of the outer circle creates new atmosphere to the car's interior space, making driving more fun. | More Safer & Fast: The Bluetooth FM transmitter for car provides multiple protections while you are driving with your devices charging, such as over-current, over-heat, over-voltage and short-circuit. The Bluetooth car adapter 95% more efficient than normal, so you can boost your devices from 0% to 85% in just 30 minutes.

Stable Bluetooth 5.3 Technology: The Bluetooth FM transmitter Car Adapter adopts stable Bluetooth 5.3 chip for faster, more stable and smarter connection with compatible devices, which optimizes the transmission delay and connectivity flaws of the old version of Bluetooth, and brings you unprecedented high-fidelity music. | Type-C PD(30W) and USB Car Charger: The bluetooth car adapter is equipped with dual Type-C PD(30W) and USB charging ports, which can provide faster speed than normal port. You can simultaneously charge 3 compatible devices. | Clear & Stable Hands-Free Calling: Hands-free design makes your driving easier and safer. The bluetooth fm transmitter for car built-in high-performance noise suppression microphone for a clearer and smoother call, switch to hands-free mode automatically from music playing status when receiving calls. Answer/Reject/Hand up/Recall all in One key. | Widely Compatible: This Bluetooth car adapter transfer calling/MP3 Music/Cellphone voices to the car speaker. Compatible with most smartphones and Bluetooth-enabled devices. Such as iPhone/iPad Pro/Samsung/Google/MP3 player/Android phone. Fit 12-24V car cigarette lighter (car, suv, truck, etc.) | Music Adapter & Player: Connect car radio and this Bluetooth adapter via the FM channel. Then you can enjoy music from Bluetooth devices/USB flash drive to the car stereo. With anti-interference performance and CVC technology. Listening to music while charging. Automatically connect memorized paired when powered on. | More Safer & Fast: The Bluetooth FM transmitter for car provides multiple protections while you are driving with your devices charging, such as over-current, over-heat, over-voltage and short-circuit. The Bluetooth car adapter 95% more efficient than normal, so you can boost your devices from 0% to 85% in just 30 minutes.

2 in 1 Bluetooth 5.4 Transmitter and Receiver: SYENGKKY 3.5mm Aux audio adapter supports both Bluetooth transmitting and receiving, namely TX and RX Mode. TX mode: Bluetooth Transmitter connects non-Bluetooth audio sources such as airplanes, TVs to Bluetooth-enabled speakers, headphones via a 3.5 mm (AUX/RCA) cable. RX mode: Bluetooth receiver receives audio from a smartphone or other Bluetooth source device, then transmits the audio to car or home stereos, headphones via a 3.5mm AUX cable. | Stable Connection with Bluetooth 5.4 Technology: The Bluetooth wireless transmitter adopts the latest Bluetooth 5.4 technology, which can reduce power consumption and provide fast and stable transmission. The playing time of the wireless 3.5mm Bluetooth transmitter is up to 14 hours in RX mode and up to 11 hours in TX mode. Moreover, in both RX and TX modes, the Aux connector can pair with two Bluetooth devices simultaneously. | Easy to Use: This Bluetooth transmitter receiver adopts a simple plug-and-play design and is convenient to use. Just insert it into the auxiliary port of the device, then press and hold the multi-function button to turn on the power until the indicator light flashes (the indicator light is red in TX mode and blue in RX mode), connect the Bluetooth device, and you can enjoy wireless audio streaming. | Wide Compatibility: Bluetooth 3.5mm wireless transmitter can work well with devices that have a 3.5mm interface, such as TVs, car audio, home audio systems, headphones, audio music streaming systems, computers, planes, speakers, projectors, MP3 players, MP4 players, and so forth. | High-quality Stereo Sound: Using this Bluetooth adapter, you can get crystal-clear and high-quality stereo sound. Whether you're listening to music, watching a movie or making a phone call, you'll be able to experience outstanding sound quality. This is a must-have for long trips and flight travels | Easy to Carry: This small and lightweight Bluetooth transmitter is perfect for carrying around. You can put it in your pocket or bag without taking up much space. No matter if you are on a plane, in a car or at home, you can simply plug it in and enjoy audio content wirelessly.