ToughTested 藍牙 FM 發射器，具備低音增強與雙 USB 充電功能

The bass boost actually makes a difference, my podcasts sound way less tinny through the car speakers now. Both USB ports charge my phone and my wife's at the same time, which we couldn't do before.

Picked this up for our road trips and the hands-free calling is crystal clear — even at highway speeds. The dual USB ports are a lifesaver when everyone's phone is dying.

The bass boost actually makes a difference on my commute, way fuller than the flat sound I had before. Both USB ports charge my phone and my wife's at the same time, which is the real reason I kept it. Calls come through clear enough that people don't ask me to repeat myself.