Tiny and inexpensive Bluetooth 4.0 OBD devices that stay hidden and gather realtime data on your vehicles. At W 4.5cm x H 2.5cm x D 1cm they are almost invisible yet pack a powerful punch, allowing the OviDrive® Mobile App to work its sweet magic. Bluetooth pairing haters we’ve got your back! You will never have to pair to our OBD devices, the OviDrive® Mobile App connects instantly, no questions asked. On top of that, your mobile phone will continue to connect to all of your other car bluetooth devices at the same time.