Features: This car bluetooth-compatible adapter can be connected to non-bluetooth-compatiblecar audio systems, home stereos, speakers, wired headphones via 3.5mm AUX adapter; Equipped with a bluetooth-compatible 5.0 chip for stable connection / fast transmission / wide signal range. Just pair it with your phone and start listening to your favorite music! The working-time of this aux bluetooth-compatible adapter is up to 16hours when making calls or playing music. A built-in microphone and one button to answer / redial / hang-up / reject calls, help you make hands-free calls. The portable bluetooth-compatible stereos adapter can be paired with 2 devices at the same-time. You can enjoy your music and never worry about missing any calls. Specifications: Material:ABS Interfaces type: 3.5mm Bluetooth-compatible version:5.0 Bluetooth-compatible Range:10M Size:Approx.5.8x3.4cm/2.28''x1.33'' Package Includes: 1x Bluetooth-compatible AUX Receiver note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.