There are many people who use Bluetooth car kits and Bluetooth devices. Parrot MINIKIT Slim is a simple affordable car-kit. The Bluetooth 2.0+EDR enabled device is quite small, measuring 60×30.5×13 mm and weighing 83 grams. It has three buttons and an integrated omnidirectional microphone, and is hence pretty convenient to use on a daily basis.
As for the specs, the battery can handle up to 10 hours of talk and over 20 days of standby time, and pairing is supported with up to 5 phones. The Parrot MINIKIT Slim can also read phonebook from your mobile phone and actually make use of it, thanks to an integrated multi-speaker voice recognition software.
And that's it. You may find it at some of the Parrot's dealers. It should have a recommended retail price of 69 EUR.