Feature: 1. Wireless Connection: This USB adapter is designed specifically for desktop computers, making it easy to connect devices such as headphone, speaker, mouse, keyboard, etc. wirelessly, convenient and practical. 2. BT5.3 Standard: This USB receiver adopts the BT5.3 standard, ensuring fast and stable data transmissing with low latency, allowing you to enjoy wireless convenience while also obtaining an excellent audible experience. 3. Convenient and Practical: This wireless USB receiver is compact and lightweight, easy to use and carry, allowing you to enjoy wireless audible transmissing anytime, anywhere, suitable for home, office, or travel. 4. Wide Compatibility: This wireless USB adapter supports multiple device connections, has strong compatibility, and meets your diverse usage needs, making it easy to handle both work and entertainment. 5. Convenient Use: This USB receiver is simple and easy to use, just plug and unplug, no need for additional driver or complex setting, suitable for more scenarios, allowing you to enjoy the convenience and fun brought by wireless. Specification: Item Type: USB Adapter Material: Plastic, Metal BT Standard: 5.3 Interface: USB Transmissing Rate: 50Mbps Effective Working Radius: Approx. 30m / 98.4ft. Package List: 1 x USB Adapter