15 in 1 USB C Docking Station: The thunderbolt 3 dock multifunctional expansion to meet your needs. expands your laptop into 1xThunderbolt 3 upstream port, 1x8K Thunderbolt 3 ports(for display,40gbps data transfer),1x8K Display port, 2xUSB-C ports(10Gbps), USB 3.1 port(10Gbps), 2xUSB 3.0 ports, 2xUSB 2.0 ports, Gigabit Ethernet, SD/ TF port, 3.5mm Audio/Micr port and S/PDIF (Optical Out). Dual 4K Display: Thunderbolt 3 Dual monitor docking station has been approved by Intel-certified Thunderbolt 3 ports. Single Thunderbolt 3 port or DisplayPort output. Dual output up to 4K@60Hz via thunderbolt 3 port and DisplayPort.(NOTE: Macbooks with M1 chip only can extend one monitor due to limitations of the Apple chip) The display quality is superb, with no lag and perfect sound sync. Up to 40G Speedy Transmission: USB C Dock equipped with 2*Thunderbolt 3 Port up to 40Gbps transmission, 2*USB C ports up to 10Gbps, 1*USB 3.1 port up to 10Gbps, 2*USB 3.0 ports up to 5Gbps, and 2*USB 2.0 ports