USB Adapter Bluetooth-Compatible 5.3Wirele Transmitter Receiver Plug and Play for Desktop PC Wirele MouseAudio Receiver TransmitterFeature:1. Advanced Technology:The USB Bluetooth-Compatible Adapter uses the Taiwan Realtek RTL8761BW chip, which meets the Bluetooth-Compatible 5.3 technical specifications and supports dual-mode low power transmiion, fully compatible with Bluetooth-Compatible 2.0, 2.1, 3.0, 4.0, 5.0, and 5.1.2. Longer Transmiion Distance and Stable Speed:With a long transmiion distance of 10-20m (without barriers) and a strong signal, the adapter supports a 3Mbps transfer rate, making it perfect for high-speed file, audio, and data transfer.3. Original Driver Management Software:The Realtek driver management software is easy to use and powerful, supporting multiple application program extensions, providing convenience for users.4. Low Latency and Fast Connection:With ultra-low latency and intelligent sleep/wake up function, the adapter conserves energy while resisting interference with a 24-bit CRC check to reduce interference.5. Portable and Widely Compatible:The USB 2.0 interface is portable and universal, and the small size makes it convenient for travel. Also, it supports various operating systems and devices, including Windows 7, 8.1, 10, and 11, making it poible for wirele 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: RTL801Bluetooth-Compatible: 5.3Color: BlackTransmiion distance: 20m (in an acceible environment)Transmiion rate: 3MbpsChip: RTL8761BWSupported protocols: A2DP/HSP/AVRCP/HID and other protocolsProduct size: about 27 * 14 * 8.5mm/1.06 * 0.55 * 0.33inchPackaging size: about 135 * 105 * 15mm/5.31 * 4.13 * 0.59inchGro weight: 28g 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