About this item [Premium Metal & Quality Warranty] - The outer circle is made of premium aluminum alloy that's exquisite texture, durable, better heat dissipation, safer than plastic material. UEASE provides 24 months warranty and lifetime tech support. [Advanced Bluetooth 5. 3 and HI-FI Bass Boost] - UEASE Bluetooth FM transmitter provides faster pairing and more stable sound than others. What's more, powerful bass driver technology can bring you 100% more bass than others with music sound effect button "B". Unlock a new driving experience with one click. [Dual Mics & Clearer Hands-Free Calling] - Dual microphones work in tandem to collect your voice from all directions, while the latest CVC 8. 0 noise reduction technology blocks out more road noise, wind noise and other distractions. This will ensure both of you and your friend can hear clearly. Hands-free design makes your driving easier and safer. Supports Siri, Google voice navigation. Simply click the middle button to answer/hang up/reject/redial calls. [Scroll Wheel Design & 8 Color Light Modes] - You can easily scroll up/down to adjust the volume or FM channel with the latest scroll wheel design. Red, Green, Blue, Cyan, White, Purple, Yellow and 7 Color breathing, total 8 light modes. The light circle design with switchable lightning modes creates a cool atmosphere for car interior. [Total 48W Fast Charging] - The Bluetooth car adapter is equipped with PD 30W Type-C and QC3. 0 18W USB charging port, can provide 4X faster speed than normal port. And 1 additional USB charge port (5V/1A) can also be used as a U disk port to play music. You can simultaneously charge 3 compatible devices, such as iPad, iPhone, Samsung, Google, LG, HTC, etc.