We compared two Bluetooth FM transmitters for the car: the LENCENT FM Transmitter and the Syncwire Bluetooth 5.4 FM Transmitter.
What we looked at
Bluetooth version, USB charging, extra features, and price.
The verdict
If you want a long-established model with a car battery voltage display and the largest review history, the LENCENT is the pick at £13.99. If you would rather save £1.58 and get Bluetooth 5.4 with PD 36W fast charging, the Syncwire is the alternative, at £12.41.

A £13.99 transmitter with CVC noise cancellation and a battery voltage display.

A £12.41 Bluetooth 5.4 transmitter with PD 36W and 12W USB ports.
LENCENT T25 Bluetooth FM Transmitter Car Kit with 2 USB Ports — Best Seller
Intended for: Marketed as a Bluetooth FM transmitter car kit with CVC noise and wind cancellation for hands-free calling, two USB ports (5V-2.4A and 5V-1A) with over-current and over-voltage protection, car battery voltage display, a blue ambient light, and support for TF card and USB disk playback. Carries 4.5 stars from 81.4K ratings on this listing.
What we liked
- Largest review history of the pair (81.4K ratings)
- CVC noise cancellation for hands-free calls
- Displays car battery voltage when plugged in
- Plays from a TF card or USB disk per the listing
Worth knowing
- Costs £1.58 more than the Syncwire on these listings
- USB ports are 2.4A and 1A, with no PD fast charging stated
Best for
- Buyers who want a long-established model
- Anyone who wants car battery voltage on the display
- Those who also play music from a card or drive
Not ideal for
- Buyers who want PD fast charging
- Anyone who wants the newest Bluetooth version
Syncwire Bluetooth 5.4 FM Transmitter Car Adapter 48W (PD 36W and 12W) — Fastest Charging
Intended for: Marketed as a Bluetooth 5.4 FM transmitter car adapter with two USB ports (PD 36W and USB-A 12W, 48W combined) with over-current protection, a rainbow ambient light switch, a Hi-Fi deep bass button, an LED display, hands-free calling and USB drive support. Carries 4.5 stars from 13.7K ratings on this listing.
What we liked
- Cheaper than the LENCENT on these listings, at £12.41
- Bluetooth 5.4 on the listing
- PD 36W and 12W USB ports for fast charging two devices
- Deep bass button and ambient light switch
Worth knowing
- Smaller review history than the LENCENT (13.7K vs 81.4K ratings)
- No car battery voltage display stated on the listing
Best for
- Buyers who want fast charging while streaming
- Anyone who wants the lower price
- Those who like a bass boost button
Not ideal for
- Buyers who want battery voltage monitoring
- Anyone who wants the largest review history



