Bluetooth Transmitter and Receiver: This Bluetooth adapter can be used as a transmitter with red light on for TV, MP3 player, airplane, projector, NOT musical instrument, or as a receiver with blue light on for car/home stereo, speaker, wired headset.Bluetooth

5.3: Bluetooth 5.3 technology ensures more stable connection, lower latency, larger range, lower power consumption, faster transmission.Universal

Compatibility: The Bluetooth connection of this adapter has a wide compatibility with almost any Bluetooth devices, such as smartphone, PC, smart TV, Bluetooth headphones, Bluetooth speaker, Bluetooth receiver amplifier.16 Hours Playtime: This Bluetooth adapter has a builtin battery for up to 16 hours of use as a receiver, it also can work while charging. The charging time is only 1 hour.