Bluetooth music receivers: rayovachttps:***2F***2Fwww.hurt.com.pl***2F6-x-baterie-do-aparatow-sluchowych-rayovac-extra-advanced-675-p14689.html

reliable transmission in 2 modes - TX (transmitter) or RX (receiver)
built-in rechargeable battery - up to 5 h in TX mode, up to 7 h in RX mode

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

• 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