This is the BenQ mobile dock, "beCreatus GR10." It's been used only a few times, so the condition is quite good. It's convenient for HDMI output from gaming UMPCs, iPhone 15, Android devices with DP Alt mode, MacBooks, and more. It supports 4K 120Hz/8K 60Hz video output. It has high compatibility with PCs and tablets equipped with Thunderbolt 3 and USB4 ports. ■ Compact design with 7 ports ・USB4 Type-C cable x1 (upstream port, up to 40Gbps, PD85W) ・USB Type-C IN (power supply port, PD100W) ・USB Type-A x2 ・USB Type-C x1 (downstream port, up to 10Gbps, 7.5W) ・HDMI 2.1 (video output port, 4K 120Hz/8K 60Hz) ・LAN port (RJ-45, 2.5 Gbps)