Lenovo 40AS0090EU. Connectivity technology: Wired, Host interface: USB 3.2 Gen 1 (3.1 Gen 1) Type-C, Headphone connectivity: 3.5 mm. Ethernet LAN data rates: 10,100,1000 Mbit/s. Product colour: Black, Data transfer rate: 10 Gbit/s, HD type: 4K Ultra HD. Power source type: DC, AC input voltage: 100 - 240 V, AC input frequency: 50 - 60 Hz. Windows operating systems supported: Windows 10, Windows 7