※ Please note that although the package says Bluetooth 5.0, this product is actually Bluetooth 4.0. Please only order if you understand this. ・This is a USB adapter that allows you to use Bluetooth devices even on computers that do not support Bluetooth, by plugging it into a USB port and configuring it. ・You can use Bluetooth-enabled mobile phones, headsets, keyboards, mice, printers, etc., wirelessly. ・This product has Bluetooth Ver. 4.0 specifications, but it is backward compatible with Bluetooth Ver. 3.0 / 2.1 / 2.0 / 1.0. ・It is compact and has very little protrusion, so it won't get in the way even when plugged in. ※ No usage support or instruction manual is included, so please only use this if you are familiar with computers. ・Length: Approximately 2.2cm ・Height: Approximately 0.5cm ・Width: Approximately 1.5cm ・Bluetooth USB Dongle (V4.0 + EDR) ・Connection method: USB (USB 2.0 / 1.1 compatible) ・Connector shape: USB (A) ・Transmission output: CLASS2 ・Included items: Main unit only (Driver CD and instruction manual are not included) ・Communication range: Up to 20m (varies depending on the usage environment) ・Windows 7 / 8 / 10 ・Windows Vista ・Windows XP ※ Not compatible with Mac. ※ No usage support or instruction manual is included, so please only use this if you are familiar with computers. ※ We cannot provide compensation for any damage or accidents caused by the use of this product, including equipment failure or damage. ※ Please note that the product will be delivered in simple packaging. ※ Due to being a product of overseas production, there may be some scratches or stains, but we handle it as a genuine product. Please understand. ※ The design of the main unit and package may differ from the photos depending on the production lot, but the functions and quality remain the same. ※ The color of the product may appear different from the actual product due to the monitor or browser. ※ We will only exchange the product for the same item in case of initial defects. Please contact us within 7 days of receiving the product. ※ This product is imported. (Made In China)