Description: Simply plug into your USB port and enjoy automatic installation for setup in under a minute with plug-and-play installation This user-friendly Bluetooth-compatible USB adapter for PC is the perfect easy-to-use solution The wireless Bluetooth-compatible adapter can connect multiple devices, such as Bluetooth-compatible speakers, keyboards, headsets, and mice. You can make full use of the Bluetooth-compatible adapter to wirelessly transfer files while enjoying music. The adapter is constructed of ABS material. The length of this adapter is 2.5cm, the width is 1.7cm and the height is 0.8cm. This adapter is used for computers and mice. Item Name: Adapter Material: ABS Color: Black Transfer Rate: 3 Mbps Interface: USB Operating Frequency: 2.4 Mhz Effective Working Radius: 20 Meters Bluetooth-compatible Standard: 5.1 External Power Supply: No External Power Supply Size Details: LxWxH: 2.5cm x 1.7cm x 0.8cm/0.98" x 0.67" x 0.31"(Approx.) Notes: 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. Package Includes: 1 x Audio Adapter