📄 Product Description – Universal Wireless Hands-free Car Kit with FM Transmitter by Promate
A multi-function in-car device that combines a fast charger, USB media playback, an FM transmitter, and Bluetooth wireless streaming to your car radio. It features a smart LCD display for easier frequency tuning and a built-in microphone for hands-free calling. Fast charging is covered with a 20W USB-C Power Delivery port and an 18W USB-A Quick Charge 3.0 port, delivering up to 38W total output.

⭐ Key Features:
– 🔹 FM transmitter for car audio: 87.5-108.0MHz range to play music and calls through your car stereo.
– 🔹 Bluetooth v5.1 wireless streaming: Supports AVRCP, HFP, A2DP for broad compatibility and smoother audio control.
– 🔹 Hands-free calling: Built-in microphone (~38dB sensitivity) for safer in-car calls.
– 🔹 Up to 38W total fast charging: 20W USB-C PD plus 18W USB-A QC3.0 to charge two devices simultaneously.
– 🔹 USB flash drive music playback: Supports USB drives up to 64GB with MP3, WAV, WMA, APE, and FLAC formats.
– 🔹 Smart LCD display: Helps monitor and set the FM frequency quickly and conveniently.

🎯 Closing Paragraph:
If your car stereo doesn’t have built-in Bluetooth, this device is a practical upgrade that adds wireless music and hands-free calls via FM, while also delivering reliable fast charging and USB media playback in one compact unit.

⚠️ Important Note:
Model: POWERTUNE-38W
Bluetooth Version: v5.1
Bluetooth Profiles: AVRCP, HFP, A2DP
FM Frequency Range: 87.5-108.0MHz
Input: DC 12V-24V
Total Output: 38W
USB-C Output (PD): 5V/3A, 9V/2.22A, 12V/1.67A (20W)
USB-A Output (QC3.0): 5V/3A, 9V/2A, 12V/1.5A (18W)
USB Flash Drive Capacity: up to 64GB
Music Format Support: MP3, WAV, WMA, APE, FLAC
Microphone Sensitivity: ~38dB
Operating Distance: 5m
In the box: PowerTune-38W, User Guide