Features: brand new and high quality Connect bluetooth-compatible devices at once to listen to music, make phone calls, and more. It can fast and stable transmission without tangling. The bluetooth-compatible car adapter allows hands free calling and navigation with built in microphone. Latest noise cancellation technology provides excellent call quality. for most brands of for cars. Transforms your car audio sound systems into wireless and bluetooth-compatible speakers with just one, easy to use. The bluetooth-compatible adapter is small, lightweight and easy to carry. Specifications: Material:PVC Color:Black Size:7.29x4.9cm/2.87x1.93in Bluetooth-compatible Version: V 5.0 Cable Type:USB Power:USB 1:5V/2.4A Operating Range: up to 33 feet (10 meters accessibility) Working temperature: 0-45C Applicable models: 12V/24V for cars Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1xBluetooth-compatible Player