About this item BLUETOOTH 5.4 & AMAZING SOUND QUALITYThe Bluetooth receiver is equipped with the latest Bluetooth 5.4 technology to deliver faster pairing, more stable sound, and a better Hi-fi wireless audio experience. Stream and control your music with a reliable connection from up to 33 FT. WIDE COMPATIBILITYThis Bluetooth 5.4 Receiver can be paired with most smartphones or tablets, regardless of Bluetooth version (5.0, 4.0, 3.0, etc.). It is ideal for home stereo or vehicle audio systems. Note that this device is not a Bluetooth transmitter and should not be paired with Bluetooth headphones or Bluetooth speakers. 20H EXTENDED BATTERY USEEnjoy up to 20 hours of music streaming from one full charge, with the ability to work while charging. The receiver conserves power by automatically shutting down after 5 minutes without a Bluetooth connection. EASY TO USE & DOUBLE LINKSimply plug into cars, wired headphones, or home stereo speaker systems via the 3.5mm or RCA cable. The compact de