Experience seamless audio connectivity with this versatile Bluetooth 5.0 audio adapter. **Key Features:** * **AUX Output:** Easily stream music from your phone or tablet to car stereos without Bluetooth via the AUX interface. * **USB Output:** Play music effortlessly from your phone or tablet through car USB readers, even without Bluetooth. * **Plug-and-Play Simplicity:** No drivers needed for instant connection to Bluetooth headsets on your computer. * **Fast Transmission:** Connect your TV to Bluetooth headsets for private listening, ensuring you don't disturb others. * **Broad Compatibility:** Connects to multiple Bluetooth-enabled devices, including mobile phones, mice, keyboards, headsets, speakers, game controllers, and printers. **Modes of Operation:** 1. **Transmitter Mode:** Wirelessly transmit audio from non-Bluetooth TVs, home stereos, or CD players to Bluetooth headsets or speakers. 2. **PC Audio Transmission Mode:** Transmit audio wirelessly from your PC or laptop to Bluetooth headsets or speakers via a USB port, no audio cable required. 3. **Receiver Mode:** Wirelessly stream audio from your Bluetooth-enabled phone or computer to wired stereos, speakers, or headsets. 4. **USB Receiver Mode:** Connect the Bluetooth receiver to the USB port of an audio device with a USB audio protocol. Once the audio device is on, the receiver's blue LED will flash. Pair with 'MSD135' on your phone to stream music to the audio device. **Technical Specifications:** * **Technology:** BT5.0, A2DP, AVRCP (receiver mode only) * **Bluetooth Version:** 5.0 * **Range:** Up to 10 meters / 33 feet (without obstacles) * **Pairing Name (Receiver Mode):** MSD135 * **Indicator Lights:** Red LED for Transmitter Mode, Blue LED for Receiver Mode * **Product Weight:** 25g * **Color:** Black * **Dimensions:** 45 x 20 x 11mm **Package Contents:** * 1 x Bluetooth 5.0 Audio Adapter * 1 x 3.5mm Audio Cable (1M / 39 inches) * 1 x Instruction Manual **Important Tip:** When changing modes, please wait 1-2 seconds after powering on for data to load. Avoid pressing the switch too quickly.