Feature: 1. Advanced Technology: The USB Bluetooth-compatible Adapter uses for the Taiwan Realtek RTL8761BW chip, which meets the Bluetooth-compatible 5.3 technical specifications and supports dual-mode low power transmission.2. Long-range Transmission and Stable Speed: With a class one protocol, the adapter can transmit data up to 100m (without barriers), providing a strong signal. It supports a 3Mbps transfer rate, making it perfect for high-speed file, audio, and data transfer.3. Driver Management Software: The Realtek driver management software is easy to use and powerful, supporting multiple application program extensions. With ultra-low latency and intelligent sleep/ function, the adapter conserves energy while resisting interference with a 24-bit check to reduce interference.4. Portable and Widely Compatible: The USB 2.0 (universal USB 3.0) interface is portable and universal, and the small size makes it convenient for travel. Also, it fully supports Bluetooth-compatible protocols such as 2.0, 2.1, 3.0, 4.0, 5.0, and 5.1, making it compatible with most devices. It is a faster and newer version of Bluetooth-compatible adapter that has strong compatibility, stable speed, and a longer receiving distance.5. Wide Compatibility: The adapter supports operating systems, including for 7, 8.1, 10, and 11, making it possible for wireless audio, image, and data transfer between computers and other Bluetooth-compatible devices such as headphones, speakers, mice, keyboards, gaming controllers, phones, printers, etc.Specification: Model: RTL807Bluetooth-compatible: 5.3Transmission distance: 100mTransmission rate: 3MbpsChip: RTL8761BWSupported protocols: A2DP//AVRCP/HID and other protocolsMaterial: plasticcolour: BlackPackage Contents: 1 x Bluetooth Dongle AdaptadorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.