Golvery Upgraded Bluetooth 5.4 Receiver for Speaker, Wireless Audio Black\nProduct Details\n--\u3010The Latest Bluetooth V5.4\u3011 With upgraded Bluetooth V5.4 technology and the advanced chipset, combining A2DP profile, this J205 receiver comes with stable connectivity and remarkable signal stability. Bluetooth adapter Provides high quality and clear Hi-Fi music streaming. Creates enjoyable listening experience.\n--\u3010Save Your Old Speakers\u3011Bluetooth receiver is a excellent solution to make your old speaker/stereo system/car stereo/wired headphones to play music wireless from your phone/tablet/laptop via Bluetooth connection. Bluetooth aux adapter brings new life to your old audio equipment! NOTE: it is NOT a Bluetooth transmitter, CANNOT work for TV/PC to pair with Bluetooth headphones/speaker.\n--\u3010Keeping Working While Charging\u3011This upgraded Bluetooth receiver for car can keep working while it is charging, which means it will never stop streaming. It will pair w.