Specifications: Bluetooth Version: Bluetooth 5.0 Input Voltage: 12V-24V FM Range: 87.5-108.0 MHz USB A Output: Max 18W Type C Output: Max 30W USB A + USB C Total Output: Max 48W Size: 49 × 72 × 41 mm/ 1.93 x 2.83 x 1.61 inch Weight: 32 g / 1.13 oz Support TF Card: Max Capacity 64GB How to Pair the FM Transmitter and the Car Radio? 1. Plug the adapter into your car cigarette lighter, and the LED display light on 2. Turn on the Bluetooth of your phone 3. Search and click "HY-83B" to pair 4. Turn the car radio to FM mode (Not AM mode), and then select a blank unused channel 5. Press The "CH" button for 2 seconds, the frequency display will flash, then press the left and right keys to adjust the frequency of the FM transmitter to be the same as the frequency of the car radio. 6. Then you can start using it Press and hold the "CH" button for 2 seconds to enter the frequency adjustment state, then press the Previous and Next buttons to adjust the FM frequency. Press and hold the Previous Song and Next Song buttons to adjust the volume while playing music. Press the "EQ" button to switch to natural sound and bass mode while playing music. Press and hold the "EQ" button to switch between Bluetooth music and TF card music playback. Packaging Content 1 * FM Transmitter 1 * User Manual Please note that if you are in densely populated areas, mountainous areas or tunnels, the FM signal may weaken. We suggest that you choose a new blank FM frequency to pair again. How to do when playing music and making calls with low or no sound? 1. Please turn the volume of your phone and FM transmitter to maximum. 2. If you want to answer a call through the transmitter, please press the multifunction button instead of the answer button on the phone. How to achieve better voice quality during a call? Before making a call, please ensure that your car radio is successfully connected to an unused idle FM frequency. If there is still noise at both ends, you can close the car window during the call.

Intelligent Protection & Voltage Detection: Built in over-current protection, over-voltage protection, overcharge protection, intelligent temperature control, short circuit protection, effectively ensure safe charging. The FM transmitter can detect and temporarily display the car battery voltage for a few seconds after power on, allowing you to easily monitor the health status of the car battery. Wide Compatibility: The wireless radio adapter is compatible with iPhone, iPad, iPod, Android Samsung galaxy tab cell phone tablet, MOTO, TCL, Google Pixel and other Bluetooth enabled mobile devices. The 48W car charger is perfect for 12V-24V vehicle cigarette lighter socket. Music Playing: Adjust the car radio frequency and MP3 player frequency to the same, and then you can transfer music from the Bluetooth device & microsd card to the car stereo system to enjoy the car stereo music streaming. It will automatically connect to its memorized paired Bluetooth device when powered on. In the frequency range of 87.5 MHz - 108.0 MHz, you can get a more stable and smooth music experience without interference. LED Backlight & Dual USB Car Charger: With 7 colors breathing atmosphere lights, you can use it easily even in the dark, making your driving safer. Equipped with 2 USB ports, the total power is 48W (USB C 30W + USB A 18W), and you can quickly charge two devices simultaneously. The Type-C port can fast charge the iPhone from 0 to 50% in 30 minutes, and the QC 3.0 port can fast charge the phone from 0% to 60% in 35 minutes. Hands Free Call & Voice Navigation: Built-in microphone, answer/ hang up/ reject/ call back all with one key. Automatically switch from music playing state to handsfree mode when answering calls, seamless switching between incoming calls and music. Noise suppression (CVC) and echo cancellation technology provide you with clear calls. With the Blue tooth FM transmisor, you can get clear voice navigation from your phone app, which means driving will be safer.