Product Information Name: 7-in-1 USB C Docking Station ( USB-C to PD + DUAL HDMI + VGA + USB2.0 + AUDIO + LAN ) Brand: YCBUENO Model: YC-203C Color: Dark gray Size: 3.74 in x 1.81 in x 0.65 in Material: Aluminum alloy and ABS plastics Product function 1. Single HDMI: Ultra HD display up to 4K@60Hz 2. Dual HMDI: Each up to 4K@30Hz max 3. VGA: 1080P@60HZ, downward compatible with 1080P, 720P 4. USB C PD: Power Delivery, max 100W PD input 5. USB 2.0: Data transfer 480Mbps, special for connect mouse and keyboard 6. Fast Ethernet Port: RJ45 Ethernet port automatically adapts to 10M/100Mbps stable network transmission 7. Audio/Mic Jack: Generic 3.5mm Audio/Mic 2-in-1 jack Product Feature 1. ONLY Windows system support MST and SST(Mirror & Extend Mode), MAC OS system does not support MST, only support mirror mode and non-mirror mode. 2. Single use HDMI 1 can up to 4K 60Hz under DP1.4 source. HDMI resolution will be 4K@30Hz if two monitors play simultaneously and will be 1080P@60Hz when dual or triple display with VGA. Product Application Compatible Devices: wtih MacBook Pro 2016 2017 2018 2019 2020 2021, New MacBook Air 2018 2019 2020- ( Not for previous generation MacBook Air & Pro ) with Dell, HP, Lenovo, Asus, Acer, Surface Book 2/Go, Chromebook, and more full-functional type-c devices What You Get 7-in-1 USB C Docking Station*1; English manual box*1; didn't include a power cord worry-free 18-month warranty, and friendly customer servic and technical support; Any problem you met, please contact us for free returns and exchanges