【Versatile 2-in-1 Design】This Bluetooth-compatible 5.4 adapter functions as both a transmitter and receiver, perfect for enhancing audio experiences across various devices including TVs, car stereos, and exercise equipment. 【Wide Compatibility】Featuring a 3.5mm AUX interface, it ensures compatibility with a broad range of audio devices while offering wireless Bluetooth-compatible connectivity for interference-free audio transmission. 【Easy Setup】Designed for user-friendly operation, this adapter allows you to connect headphones or speakers to your TV or car audio system within seconds. 【Wireless Conversion】As a Bluetooth-compatible receiver, it transforms any wired audio device into a wireless one, offering a cost-effective solution for upgrading your audio setup. 【Portable Design】Compact and lightweight, this adapter is easily carried, ensuring you can enjoy your favorite audio content wherever you go. 【Long-Range Transmission】With a transmission distance of up to 15 meters (in obstacle-free environments), it provides flexibility in device placement and movement. Specifications: Model: M33 Bluetooth-compatible Version: V5.4 Input Power: DC 5V Material: ABS Charging Port: Type-C Functions: Bluetooth-compatible Receiving/Transmitting Transmission Range: 15m (obstacle-free) Audio Interface: 3.5mm AUX Battery Capacity: 180mAh Compatible Devices: Phones/Tablets/Computers/TVs/Speakers Product Weight: 50g Product Dimensions: 100*22*13mm