[𝙃𝙪𝙢𝙖𝙣𝙞𝙯𝙚𝙙 𝘼𝙢𝙗𝙞𝙚𝙣𝙩 𝙇𝙞𝙜𝙝𝙩 𝙎𝙬𝙞𝙩𝙘𝙝 𝘿𝙚𝙨𝙞𝙜𝙣] Indulge in a delightful driving experience with our trendy rainbow light design. Immerse yourself in fun while having the convenience of easily turning off the light by double pressing the red "B" button when not needed. Enjoy the captivating ambiance of the rainbow lights and have full control over your driving atmosphere. [𝙐𝙥𝙜𝙧𝙖𝙙𝙚𝙙 𝘽𝙡𝙪𝙚𝙩𝙤𝙤𝙩𝙝 𝟱.4 𝙏𝙚𝙘𝙝𝙣𝙤𝙡𝙤𝙜𝙮] The latest Bluetooth 5.4 technology, optimizing the transmission delay and connection defect problems, Bluetooth 5.4 will bring you a faster, more stable and smarter connection with less sound quality loss,uninterrupted calls and music experience. It takes only 1 second to complete pairing, and no need to repeat pairing after the first successful pairing with your device. [𝙄𝙣𝙩𝙚𝙡𝙡𝙞𝙜𝙚𝙣𝙩 𝘿𝙪𝙖𝙡 𝙐𝙎𝘽 𝙋𝙤𝙧𝙩𝙨 & 𝙁𝙖𝙨𝙩 𝘾𝙝𝙖𝙧𝙜𝙞𝙣𝙜] Coming with 2 USB ports(PD 36W and USB A 12W), can charge two devices simultaneously. Built-in over-current protection, over-voltage protection, intelligent temperature control, short circuit protection, it will effectively ensure safe charging. [𝙂𝙧𝙚𝙖𝙩 𝘾𝙡𝙚𝙖𝙧 𝙈𝙪𝙨𝙞𝙘 𝙎𝙩𝙧𝙚𝙖𝙢𝙞𝙣𝙜] Bluetooth 5.4 provides a stable connection, while Noise Suppression (CVC) technology and echo-cancellation grants an amazing hands-free calling experience. In addition, this Bluetooth car adapter supports bluetooth connection and USB stick connection (≤64GB). [𝙃𝙞-𝙁𝙞 𝘿𝙚𝙚𝙥 𝘽𝙖𝙨𝙨 & 𝘽𝙖𝙘𝙠𝙡𝙞𝙩] Just press the button "B" and you will enjoy powerful deep bass and immersive stereo sound. The high-fidelity Hi-Fi sound quality will also make the music more dynamic and pleasing to the ear, taking your passion for music to a new level.