Review on Sumind Car Bluetooth FM Transmitter Upgraded Version - Wireless Radio Adapter Hands-Free Kit with 1.7 Inch Display, QC3.0 & Smart 2.4A USB Ports, AUX Output, TF Card Mp3 Player (Blue) by Shaun Bushey

I love this transmitter it's the best I've ever had! I love how it tells you where the voltage is in the car battery as soon as you plug it in. My car socket (or cigarette lighter, depending on how you want to put it) works even if my car isn't on or I don't have my keys. ignition, so I like to turn it on before I start the car and watch the voltage change; This gives me an idea of the condition of the battery. The chargers work perfectly and the sound quality is quite good. The only thing is that I couldn't get the helper part to work, but that might be user error because you have to do it a certain way. Bluetooth works great and the screen works well too. Rotating the device the way I want it and it stays put is no problem for me and I've had the thing for a few months now.