Dual Frequency Receiver Computer Transmitter $ 14.06 Product Information: Bluetooth version :V5.0 Interface type :USB3.0 Transmission distance :10-15 meters RF power :10dBm (MAX) Antenna gain :5dBi Transmission speed :3M/S Supported operating systems :Win11, Win10, Win8, Win7, Ubuntu, UOS, Galactic Kirin Size: Packing list: Transmitter X1PCS