Bluetooth 5.3 Adapter 3.5mm Jack Aux Dongle 2-in-1 Transmitter Receiver Audio Item Description： Bluetooth 5.3 Technology - Bluetooth car adapter is Equipped with the latest Bluetooth 5.3 technology, optimizing the transmission delay and connection defect problems of the old Bluetooth 5.0. Low power consumption, high speed, and stable signal transmission make listening to songs smoother. Enjoy a new wireless audio experience at any time. Compact Design for Easy Portability - The Bluetooth Car adapter takes up little space, so you can take it anywhere. Connect it to your vehicle, speakers, or any headphone jack, and the 3.5mm jack design gives you no tangled cords to untangle.The independent multifunction button on the Bluetooth receiver for car allows you to easily control music, volume, and calls with one click. Low Latency - Equipped with Enhanced microphones and upgraded CVC8.0 technology, the car Bluetooth receiver aux effectively filters out road noise, resulting in clearer hands-free calls on both ends of the line.Bluetooth headphone adapter 5-hour continuous work via the built-in li-ion rechargeable 200mAh battery. Up to 10 Hours of Battery Life - The working time of this aux Bluetooth adapter is up to 10 hours when making calls or playing music. Use Type-C fast charging cable (included in the package) to fully charge in 2 hours.In addition, this Bluetooth music adapter can be used while charging, which is very convenient. Package include: 1 x Bluetooth 5.3 2 in 1 3.5mm Jack Aux Dongle Adapter