With this "Elf"-Wireless Audio Transmitter Receive You'll EVER Need for Your Car What's The Best Bluetooth Receiver For Your Car? Simple: this one - sunitec BT100 V4.1 Bluetooth Transmitter / ReceiverWhat's The Best Bluetooth Receiver For Your Car? Simple: this one - sunitec BT100 V4.1 Bluetooth Transmitter / ReceiverIf you do not buy new cars, chances are your car's entertainment system leaves quite a bit to be desired. Mine's a BT100 and while she looks stunning and drives like a champ, there are things missing - things like Bluetooth connectivity, for instance. Obviously, there are a raft of options you can use when attempting to update your car's entertainment suite. For like a brand new stereo system, for instance, is the most obvious port of call - you can add in Bluetooth AND support for things like like Android Auto and Apple CarPlay. And these like me you're operating on a budget, you're best off going with something that c...