Bluetooth Version 5.2: This Bluetooth Audio Adapter supports the new upgraded Bluetooth V5.2 version, Bluetooth signal is stronger, can receive Bluetooth signal within 40 m, the transmission is more stable, so you can enjoy the CD-like sound quality | 2 in 1 Bluetooth Transmitter Receiver: This Bluetooth adapter integrates two functions of Bluetooth transmitter and Bluetooth receiver in one, you can play music through Bluetooth connection, you can freely choose music EQ according to your preference, you can choose 5 music styles of normal/rock/pop/classic/jazz; It can also parse the audio from SD card for playback | Wireless Connection: This Bluetooth receiver can convert non-Bluetooth devices to Bluetooth devices for wireless connection, suitable for car radios, old stereos, amplifiers, televisions, desktop computers, cell phones, tablets and many other devices devices | Easy to Operate: Only need to connect with other devices through AUX cable or RCA cable to use (need to power on the device first), you can connect Bluetooth device and SD card at the same time, and switch different modes with one click | Large Display: This adapter is designed with a 1.44 inch display, which can show the name of the searched Bluetooth devices to help users better pairing; in TF card mode, you can also observe the name of the music tracks played through the display