Use as a Bluetooth transmitter or receiver: This Bluetooth adapter creates a wireless connection for devices that aren't equipped with Bluetooth. Use as a transmitter from your TV or amplifier to wireless headphones or speakers. Or use as a receiver from your mobile phone to your car stereo - perfect if your car doesn't have Bluetooth! Many uses: With Bluetooth 5.0 for secure and stable transmission, even over longer distances. You can connect up to two devices simultaneously, such as 2 pairs of headphones. Listen to music via headphones or speakers, or talk hands-free in the car. Use your devices seamlessly together, whether they have Bluetooth or not! Equipped with DSP audio technology and AUX: The wireless transmitter has built-in DSP audio technology for maximum experience and feel. Connects to wired devices using an AUX cable. Safe and secure hands-free use: Answer phone calls hands-free via a button on the display. Features 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 cable