Description
Overview
PROMATE SmarTune-EXT is a Bluetooth V5.3 car FM transmitter that brings wireless audio, hands-free calling and fast charging to vehicles without native Bluetooth. The unit plugs into the car 12V socket and connects to a separate flexible 1.5m controller with a digital FM-frequency display and RGB ring light. Two high-power charging ports (PD USB-C and QC3.0 USB-A) provide simultaneous device charging while you stream music to your car radio.
Key Features
- Bluetooth V5.3 wireless connection for phone audio streaming and calls
- Flexible 1.5m built-in controller with digital FM frequency display and rotary control
- Hands-free calling and voice assistant support (Siri, Google, Bixby)
- RGB LED ring for ambient lighting
- Dual charging: High-powered PD 30W USB‑C and Quick Charge 3.0 USB‑A (Rapid 18W)
- 48W total output across ports for charging two devices at once
- Mounting options for AC vent or dashboard (3M sticker)
Technical Specifications
- Bluetooth version: V5.3
- USB-C: PD 30W
- USB-A: Quick Charge 3.0 (Rapid 18W)
- Total output: 48W
- Built-in controller cable length: 1.5 m (flexible/coiled)
What's in the Box
- PROMATE SmarTune-EXT FM transmitter with coiled cable and cigarette-lighter adapter
- AC vent mount
- 3M dashboard sticker mount
Ideal For
Drivers who want to stream smartphone audio to a car stereo, take hands-free calls, use voice assistants, and fast-charge one or two devices while on the road.