1、Bluetooth 0 adapter lets the computer have bluetooth function, easy and fast, wireless transmission. 2、Support multi‑device connection to realize the connection between the computer and other bluetooth‑enabled devices. 3、Arc shape is convenient for grasping and plugging. Small and portable, it does not affect the U port next to it. 4、Bluetooth dual‑mode chip provides low power consumption, flexible and powerful. 5、Strong anti‑interference ability alleviates problems such as unstable connection of equipment and signal interruption. 1 x Bluetooth 5.0 Adapter Item Type: Bluetooth AdapterMaterial: Plastic ShellProduct Size: Approx. 12x15x4mm / 0.5x 0.6x 0.2inBluetooth Version: Bluetooth V 5.0Frequency Range: 2.4GHz (2042-2480MHz)Transmission Distance: Approx. 0-30m / 0- 98.4ftRated Voltage: DC5VInterface Type: USBOperating System: for Windows XP/Vista/Win 7/Win 8/Win 10 Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.