USB Receiver Dongle Bluetooth-Compatible 5.3 Wirele Receiver Transmitter 3Mbps for Computer Wirele Keyboard Mouse ConnectorFeature:1. High-Quality Chipset:The device uses the Taiwan-based Realtek RTL8761BW chip that meets Bluetooth-Compatible 5.3 technology standards, offering low-power dual-mode transmiion.2. Extended Transmiion Distance and Stable Connection:With a range of 10-20 meters (without obstacles), this USB adapter provides a stable and robust signal with a 3Mbps transfer rate, enabling high-speed file, audio, and data transfer.3. Original Driver Management Software:The REALTEK driver management software is easy to use and offers powerful features that support multiple application extensions. It also enables ultra-low latency, intelligent sleep-wake mode for energy efficiency, 24-bit CRC check resistance to interference, and adaptive frequency hopping to reduce crotalk.4. Full Compatibility:The device is fully compatible with various Bluetooth-Compatible specifications like Bluetooth-Compatible 2.0, 2.1, 3.0, 4.0, 5.0, 5.1, making it versatile for use with a wide range of devices.5. Portable Miniature Design:With a universal USB 2.0 interface and ultra-miniature design, this Bluetooth-Compatible adapter is highly portable and can be used anywhere on-the-go.Specification:Model: RTL806Color: black, white (optional)Bluetooth-Compatible version: Bluetooth-Compatible 5.3Transmiion distance: 20m (in an acceible environment)Support protocols: A2DP, HSP, AVRCP, HID, etcProduct size: 31 * 15 * 8mm/1.22 * 0.59 * 0.31 inchIncluding packaging 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. 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.