Now you can add more realism to the CarBluetooth with this Remote Controller. This controller is compact design and exquisite appearance， simple to operate. Innovative design ensures easy installation and quick release of the remote control from the attachment CarBluetooth Controller. It’s special design to enhance the listening flexibility. A perfect stylish way to make your car listening exiting!                                    Features             This is a remote controller for Universal Car Bluetooth<br> Compact design and exquisite appearance， simple to operate<br> Light weight， easy remote control<br> With LED indiction <br> Power supply by 1 x CR2025 Battery <br>                                                            Specifications            Dimensions    3.39 x 1.57 x 0.28" / 8.6 x 4 x 0.7 cm (L x W x H)    <br>Weight    0.53 oz / 15 g    <br>Color    Black    <br>Button Quantity    21 Button    <br>Battery Supply    1 x CR2025 Battery     <br>Suitable for    Universal Bluetooth Car Mp3 Player    <br>                                                            Package Includes            1 x Universal Remote Controller for Bluetooth Car Mp3 Player Black1 x CR2025 Battery