Features: Wireless playback is realized through Bluetooth-compatible, which avoids the clutter and inconvenience of traditional Auxiliary line. Bluetooth-compatible receiver can be directly plugging into Auxiliary interfaces of car, which is simple and quick. Support transmission, ensuring clear sound quality of music and calls without significant delay. Users can adjust the length of the receiver according to their own needs to achieve the best experience. It can be pair with most Bluetooth-compatible devices (such as phones, tablets) and is flexible to use. Specifications: Component:ABS+Electronic Size:Approx.31cm/12.2inch Package Includes: 1Pc Bluetooth-compatible Auxiliary Adapter note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.