Use as a Bluetooth transmitter or receiver: The Bluetooth adapter creates a wireless connection to devices that are not equipped with Bluetooth. Use as transmitter from TV or amplifier for wireless headphones or speakers. Or use as a receiver from the mobile phone to the car stereo - perfect if the car is not equipped with a Bluetooth function Many areas of use: With Bluetooth 5.0 for safe and stable transmission even over greater distances. You can connect up to two devices at the same time, such as 2 pairs of headphones. Listen to music via headphones or speakers or talk hands-free in the car. Use your devices smoothly together, whether they have Bluetooth or not Equipped with DSP sound technology and AUX: The wireless transmitter has built-in DSP sound technology for maximum experience and feeling. Connects to wired devices using an AUX cable. Safe and secure use with hands-free: Answer the phone hands-free using a button on the display. Has protection against overheating and overcurrent. On/Off button for easy use. Specifications: Bluetooth: 5.0 Material: ABS Audio: MP3, WMA , WAV and FLAC-C Voice assistant and hands-free compatible Package includes: 1 x Bluetooth transmitter/receiver 1 x 3.5 mm audio cable 1 x charging cableProducts from LUOLV's store