Speakers and headphones: Adapter

• Bluetooth 5.4 receiver for car radio, audio systems, speakers, etc.
• support for all devices with a 3.5 mm AUX mini jack socket
• USB power supply
• built-in microphone, answer calls
• Music control
• RGB backlighting

Wireless Bluetooth receiver for cable headphones and audio sets
Built-in sensitive microphone - hands-free function
Support for all devices with 3.5mm jack or AUX jack (headphones, speakers, car radios, etc.),
Built-in lithium polymer battery - up to 3 hours of operation