Features: 1.3Mbps Data Transmission: The Bluetooth 5.1 chipset is adopted, which greatly improves the data transmission rate of Bluetooth technology to 3Mbps. 2.Strong Stability: Improve anti interference ability and stability, reduce the loss of transmission efficiency caused by 2.4GHz frequency band interference, and solve problems such as unstable equipment connection. 3.Premium Materials: Made of plastic and metal, this Bluetooth adapter is sturdy, durable, and not easily damaged. 4.Lightweight Small: The Bluetooth adapter is lightweight, small, portable and easy to carry in your bag. 5.Wide Applications: Wide range of applications, suitable for keyboards, mice, headphones, speakers, printers, cameras, tablets and mobile phones. specification:Item Type: Bluetooth5.1 Adapter Material: Plastic, Metal Color: Blue Size: Approx. 3.4 x 1.8 x 0.8cm / 1.3 x 0.7 x 0.3in PackageList:1 x Bluetooth5.1Adapter