up for sale is5.3 Aux 5.3 Aux Bluetooth Audio Receiver for Car, 3.5Mm, Wireless UGREEN CM596 Upgrade your car's entertainment system with the 5.3 Aux Bluetooth Adapter for Car.This wireless adapter allows you to connect your device to the internet and stream your favorite music or podcasts hands-free. The unit type is a unit and the package dimensions are 4.76 x 3.74 x 0.75 inches,making it compact and easy to install.The adapter comes in black color and requires 5 CR2032 batteries, which are included in the package. The model number is CM596 and the item weight is 0.176 ounces.This adapter is perfect for anyone who wants to enhance their driving experience with wireless connectivity.brand new ,open box in very good condition!!!