Fangrui Product Details This Bluetooth Receiver Can Add Bluetooth Functionality To Your Vintage Stereo/wired Speaker/amplifier/old Car Stereo, Allowing You To Enjoy Music Wirelessly, And Answer Hands-free Calling. Make Your Or Road Trip More Fun. One Key To Power On And Enter Pairing Mode. Built With Bluetooth 5.3 Technology, This Bluetooth Receiver Can Provide 2x More Stable Connection, And 2x Faster Pairing Speed Than Bluetooth 5.0. Bluetooth Audio Adapter Supports Voice Navigation. No Need To Look Down At Your Phone While Driving To Your Driving Safety! The Built-in Battery Has A Long Battery Life And Can Support Up To 8+ Hours Of Use After Full . This Bluetooth Audio Adapter Is Smaller And More Portable. Working Range Up To 33ft/10 Meter, Not Limited By Wires. Support Devices: Home Stereo, Speakers, Headphones, Earbuds, Audio Music Streaming Sound System, Car Stereo System, Pc, Etc. Note: This Is A Bluetooth Receiver And Cannot Transmit. The Actual Object May Have Color Difference Due To Different Light Or Display Colour:b