Adapter Vention USB Bluetooth 5.4

Product colour: Black Internal: No Operating temperature (T-T): 0 - 40 °C Storage temperature (T-T): -40 - 70 °C Operating relative humidity (H-H): 10 - 90% Storage relative humidity (H-H): 5 - 90% Bluetooth: Yes Bluetooth version: 5.4 Bluetooth frequency band: 2402 MHz - 2480 MHz Windows operating systems supported: Windows 10 Host interface: USB Connectivity technology: Wireless Interface: USB 2.0 Sustainability certificates: RoHS