USB Adapter 3MbpsBluetooth-Compatible 5.3Audio Receiver Support Windows 7/win8.1/win10/11 System for Desktop PC Wirele MouseFeature:1. High-Speed Bluetooth-Compatible 5.3:This adapter is a new high-speed product with strong compatibility, stable connectivity, and long-range reception. It supports Windows 7/8.1/10/11 operating systems and enables wirele connections for various Bluetooth-Compatible devices such as headphones, speakers, mice, keyboards, gamepads, smartphones, printers, and more.2. High-Quality Chipset:This adapter uses Realtek RTL8761BW chipset, which meets the latest Bluetooth-Compatible 5.3 technology standards. It supports dual-mode low-power transmiion with enhanced stability and reliability.3. Extended Transmiion Range:With a transmiion range of up to 10-20m (without obstacles), this adapter provides powerful and stable signals for seamle audio and file transfer.4. Original Drive Management Software:The Realtek driver management software is easy to use, feature-rich, and compatible with various applications.5. Wide Compatibility and Portable Design:This adapter is fully backward compatible with Bluetooth-Compatible 2.0, 2.1, 3.0, 4.0, 5.0, and 5.1 protocols. Its USB 2.0 interface is widely compatible with different operating systems, and its compact size makes it a portable solution for your audio and file transfer needs. It also features low latency, intelligent sleep/wakeup modes, 24-bit CRC checksum to resist interference, and adaptive frequency hopping to reduce interferences from other wirele devices.Specification:Model: RTL810Bluetooth-Compatible version: Bluetooth-Compatible 5.3Transmiion distance: 20 meters (in an acceible environment)Support protocols: A2DP, HSP, AVRCP, HD, etcPackaging size: 110 * 90 * 12mm/4.33 * 3.54 * 0.47inchProduct size: 25 * 17 * 8mm/0.98 * 0.66 * 0.31 inchGro 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. Packages:1 x USB adapter1 x CD disc1 x Instruction manual 1.All items will be double checked and well packed before sending. Items will be dispatched within 3-7 busine days after customers pay the order. Because we have thousands of order everydays. We need to arrange shipment one order by one order. We will send the products to you ASAP. 2.We only ship to Confirmed order addre.Your order addre MUST MATCH your shipping addre. 3.It usually takes about 20-60 busine days for delivering the parcel to the destination(for remote areas,it may take alittlelong).Meanwhile,you can choose DHL Expre to shorten the shipping time if you need the order urgently. 4.If you do not receive the order within 60 busine days,please feel free to contact us before leaving negative Feedback,we will do our best to help you to resolve the iue. 1.If you are not satisfied with the item when you receive it,please return it return it within 10 days for a replacement or money back.Please contact us before you return it. 2.All returned items must be in the original packaging and you must provide us with the shipping tracking number and specific reason for the return. 3.We will refund you full money,upone receipt of the item in its original condition and packaging with all components and acceories include. 4.If the item is damaged during transport or cannot be used normally,please contact us the real photos of the items and we will refund you money. We maintain high standards of excellence and strive for 100% customer satisfaction!Your satisfaction is our first priority! If you receive the order and it is in good condition,we would be grateful if you would leave 5-Stars Positive Feedback for the transaction. Otherwise,we would be grateful if you would contact us before leaving 1-Star to 3-Stars Feedback,we will take pleasure to provide a satisfactory solution.