PD 20W & QC 3.0 Fast Charging: Wireless bluetooth car adapters can fast charge two devices simultaneously via PD20W and QC3.0 port, 4X faster than standard chargers. This car charger also features a USB charging port (5V/1A) as a USB flash drive port to play music. The Bluetooth FM transmitter with built-in overcurrent protection, overvoltage protection, overcharge protection, overload protection, overheat protection and short circuit protection, ensure safe charging. | Advanced Bluetooth 5.0 Technology: Built-in Bluetooth 5.0 chip provides stable connection for streaming music over FM frequency and making hands free calls. Built-in microphone, supporting smart voice navigation from your phone, streaming the audio from navigation app/Siri/Google Assistant to your car. Easy to answer or end a call with one key. No need to hold your phone. This handsfree call car accessories make your driving process safer. | Clear Hands-Free Calls & Voice Assistant: The Bluetooth car adapter built-in high-performance noise suppression microphone for a clearer and smoother call. Compatible with iPad, iPhone, Samsung, Google, LG, HTC, etc. Supports Siri, Google voice navigation. This Bluetooth FM transmitter for car is easy to operate, just One-Key Auto-Tune to answer/hang up the call | 7 Color Backlight & Dual -Screen Display: Rainbow light design of the outer circle creates new atmosphere to the car interior space, making driving more fun. You can switch 3 modes through light switch: 7-color light, 7-color breathing light, dark mode to meet your all driving needs. Dual screen display shows car voltage and radio channel. | Voltage Warning Function: The Bluetooth FM transmitter for car suits for all 12V-24V cars, trucks, SUVs. Two LCD screens can display the current FM radio station, and battery voltage respectively in real-time. The Bluetooth car adapter is convenient for you to keep track of the health status of your car battery, and effectively prevent various problems and protect your driving safety | Wide Compatibility: Wireless Radio Adapter Car Kit fits most of the smartphones and more devices that equipped with bluetooth function. such as iPad, iPhone 14 13 12 11 Pro Max Mini, Samsug Galaxy S22 S21 S10 S9 Note 20/10, Sony, MP3 player, Huawei, tablet and Android Smartphones. And all vehicle types including cars, vans and trucks(12-24V).