Name Joyroom Bluetooth 5.3 FM Transmitter for Cars Stronger Dual Microphones and HiFi Deep Bass Sound 48W PD&QC3.0 Bluetooth Car Adapter Hands-Free Calling Features: 1. [Clear calls based on enhanced dual microphones] 2 microphones work together, Collect sound from all directions, while the latest CVC 8.0 noise reduction technology blocks more road noise, wind noise and other distractions. This ensures that both you and the caller can hear clearly. Just press the call button to easily enjoy hands-free calls and drive safer 2. [48W PD&QC 3.0 Fast Charging] Jiletang Bluetooth FM transmitter is equipped with PD 30W Type-C and QC3.0 18W USB charging ports, which can simultaneously Quickly charge two devices at the same time. Supports Samsung super fast charging and iPad pro/iphone/Google/Moto/LG/Android device fast charging. This 48W high-power car adapter charges faster than 99% of Bluetooth car adapters on the market. 3. [Upgrade Bluetooth 5.3] JOYROOM FM transmitter adopts the latest Bluetooth 5.3 technology, which optimizes the transmission delay and connection defects of the old Bluetooth 5.1. Bluetooth 5.3 will bring you a faster, more stable and smarter connection with less loss of sound quality. Uninterrupted calling and music experience. It only takes 1 second to complete the pairing, and there is no need to repeat pairing after successfully pairing with the device for the first time 4. [Hi-Fi Deep Bass & AUX Mode] Just press the button to enjoy powerful deep bass and immersive stereo high-fidelity Hi-Fi The sound quality also makes the music more dynamic and pleasant, taking your passion for music to a new level. In addition, this Bluetooth car adapter supports AUX connection and USB disk connection, so you can connect the FM transmitter to your car through the included AUX cable and enjoy CD-like sound quality. 5. [Safety Protection and Universal Bluetooth Car Adapter] Passed CE, FCC and RoHS certification. Multiple protections for overcurrent, overvoltage, overload, overheating and short circuit. Compatible with most smartphones and Bluetooth devices. Such as iPhone/iPad Pro/Samsung/Google/MP3 player/Android phone. Suitable for 12-24V car cigarette lighter (car, SUV, truck, etc.) 6. [How to connect for best sound] 1. Tune the car radio to an unused station (supports 88.1-107.9 Mhz) 2. Transmit FM Pair the transmitter with the car radio channel 3. Pair your phone with the FM transmitter via Bluetooth. Tips: Unused stations/blank channels are stations with no music or vocals, just rustling sounds Lifetime service and hassle-free replacement No matter any questions, please feel free to leave us a message via and we will serve you as soon as possible Tips on how to avoid static How to ensure the best sound quality due to noise? Step 1: Make sure you first tune your car radio frequency to an unused station, this blank station will produce a slight rustling sound Step 2: Tune your car Bluetooth adapter to the same blank station as your car radio to ensure Best sound quality Three ways to pair your car radio with JOYROOM FM transmitter Method 1: Wireless Bluetooth connection Step 1. Tune the car radio to an unused station/blank channel (supports 88.1-107.9 Mhz) Step 2. Long press the knob button to enter FM mode and pair the FM transmitter with the car radio channel. Step 3. Pair the mobile phone with the FM transmitter via Bluetooth. Method 2: AUX connection for lossless sound quality. Step 1. Pair the mobile phone with the FM transmitter via Bluetooth. Step 3. Use the AUX cable. Connect FM transmitter and car AUX port method 3: U disk connection Step 1. Tune the car radio to an unused station/blank channel (supports 88.1-107.9 Mhz) Step 2. Press and hold the knob button to enter FM mode and transmit FM Step 3. Pair the transmitter with the car radio channel. Pair the mobile phone to connect to the FM transmitter via Bluetooth. Step 4. Insert the U disk into the USB music port of the FM transmitter. Product Specifications : JOYROOM