Adopting the version of BluetoothcompatibleV5.0, it can provide the best transmission efficiency, stability, and ultra-low power consumption. Supports LDAC AptX and AptX Low Latency, with CDqualitystereo sound streaming; Support AAC advanced codecfor and music storage, suitable for use on mobile phones, tablets, and headphones. Unique 3D surround sound function: With the 3D button, you can to 3D and enjoy surround sound from a regular source. Integrated microphone for hands-free calls. Continuous streaming and automatic re pairing: Equipped with a high-quality polymer battery of 300mAh, it can provide up to 12 hours of usage time, while supporting charging and streaming, and can automatically re pair with existingpaired devices. Stable connection: Our Bluetooth compatible adapter is equipped with a Bluetooth compatible 5.0 chip, enabling stable pairing, fast transmission, and a wide signal (33 feet) It can be to non Bluetooth compatiblecar audio system, homestereos, headphones/speaker, amplifiers/home theaters, and more through 3.5mm AUX ports and 2 RCA ports. Model:MR230PRO Bluetooth compatible:BT5.0 Support:LDAC aptX Wireless Adapter With:3.5mmAUX and 2RCA Battery:Built-in 300mAh Polymer Battery Provide up to 12 hours Plug Type:US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on. Voltage:AC110V Note:This is only a Bluetoothcompatible receiver, not a transmitter. So you can't use it for your keyboards, or mouse. Colour:Black Material:Plastic Size:approx 6x6x2cm/2.36x2.36x0.79in Package Contents: 1 * audio receiver 1 * plug+power cord 1 * 3.5mm to RCA cable