USB Receiver Dongle Adapter 3Mbps Plug and Play for PC Wirele Speaker Audio Mouse Bluetooth-compatible 5.3Mini Adapter DongleFeature:1. Bluetooth-compatible 5.3 Technology:Equipped with a Taiwan Realtek RTL8761BW chip, this USB adapter is fully compliant with Bluetooth-compatible 5.3 technology and supports dual-mode low-power transmiion for superior performance. The USB2.0 interface is universally compatible, and its ultra-miniature size makes it highly portable.2. Longer Range and Faster Speed:With a range of up to 10-20m (unobstructed), the adapter provides a strong signal and reliable connections. The transmiion speed of 3Mbps enables high-speed file transfers and audio data exchange.3. Original Driver Management Software:The REALTEK driver management software is easy to use and offers powerful functions, making it suitable for various application programs.4. Low Latency and Interference Resistance:This adapter offers ultra-low latency, intelligent sleep/wake modes, and 24-bit CRC verification to resist interference and reduce crotalk. It is fully backward compatible with Bluetooth-compatible 2.0, 2.1, 3.0, 4.0, 5.0, and 5.1 specifications.5. Wide Compatibility:This adapter is compatible with Windows 7/8.1/10/11 and other mainstream operating systems. It can be used without drivers on Windows 8.1/10/11. It allows wirele audio, data, and image transmiions between your computer and other Bluetooth-compatible devices such as headphones, speakers, mice, keyboards, gamepads, smartphones, and printers.Specification:Model: RTL812Bluetooth-compatible: 5.3Color: White, Black (optional)Transmiion distance: 20m (in an acceible environment)Transmiion rate: 3MbpsChip: RTL8761BWSupported protocols: A2DP/HSP/AVRCP/HID and other protocolsProduct size: about 22 * 15 * 7mm/0.86 * 0.59 * 0.27inchPackaging size: about 110 * 90 * 12mm/4.33 * 3.54 * 0.47inchGro weight: 25g Note:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-2cm measuring deviation due to manual measurement. 1 x USB adapter1 x Drive disc1 x Instruction manual