Features: Upgrade your car audios system with the car aux adapter receiver transmitter. This versatile adapter provides seamless wireless connectivity between your devices and non bluetoothcompatible speakers or headphones. Perfect for car owners, music enthusiasts, and anyone looking for a convenient audios solution on the go. Say goodbye to tangleds wires and enjoy wireless music streaming in your car with this adapter. Experience the freedom of wireless audios with the car aux adapter receiver transmitter, enhancing your entertainment wherever you are. Specifications: Material:Plastic+Metal Color:Black Size:Approx.57x33x13.5mm/2.24x1.29x0.53inch Type: T67 Bluetoothcompatible Audios Adapter Charging limit voltage: 5.25V v. Operating current: RXmode: 32mA,TX mode: 65mA. Shutdown current: 20uA Battery capacity: 300mAh Charging time: about 45 minutes Transmission rate: 100Mbps Effective working radius: 15m Bluetoothcompatible standard: 5.3 Operating frequency: 100MHz. Bluetoothcompatible frequency: 2.402-2.480GHz Bluetoothcompatible transmission distance: 10M in a straight line Effective distance of Bluetoothcompatible microphone: 0.5~2M Interface: USB Package Includes: 1x Car Adapter note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.