Features: 1.Excellent Audio Quality: The Bluetooth 5.0 receiver is compatible with most smartphones is suitable for cars or devices that do not have Bluetooth wish to receive Bluetooth signals. Simply adjust the audio balance setting on the player to achieve good audio quality. 2.Easy Control: You can answer calls or control music through the earpiece, change volume, play, pause, skip music, etc. It is easy to use can also be controlled while driving. 3.Simple Portable: The Bluetooth adapter can transform the original car cassette player into a wireless Bluetooth audio receiver, avoiding cable clutter. It is very portable for daily use can be carried with you. 4.Powerful: With this adapter, you can transfer music, podcasts, phone audio from your phone or other Bluetooth devices to the car audio system through a Bluetooth wireless connection. 5.Easy to Install Use: Simply insert the adapter into the car card slot connect your device through Bluetooth. The arrival of the adapter ensures that you will never feel bored while driving. Specification: Item Type:Audio Bluetooth Cassette Receiver Material: Plastic Product Size: Approx. 10 x 6 x 1cm / 3.94 x 2.36 x 0.39 in