Bluetooth Standard: Bluetooth 5.0Symbol rate: 3MbpsReceiving range: 0-20MChip: RLT9761BCompatibility: Support All /XP/VistaApplication: wireless mouse/keyboard/pcFeature 1: bluetooth usb adapterFeature 2: bluetooth adapter usb 5.0Feature 3: usb bluetooth 5.0Feature 4: bluetooth dongle 5.0Feature 5: bluetooth adapter 5.0Usage2: Bluetooth 5.0 Adapter,Bluetooth Music AdapterUsage3: Wireless USB Bluetooth Adapter 5.0Usage4: Adaptador Bluetooth Transmitter For Computer PC LaptopColour:BlackMaterial:ABSSize:30*17*6mmPackage Contents:1 * Bluetooth adapter1 * CDOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.