Previous page Fast Charging Comes with a 90W power supply. Quickly charge your device. 4K*60HZ HD display 4K*60HZ high-definition large screen experience. Excellent quality Tight internal details determine quality. 3.5mm Audio output Connect headphones, speakers and other devices. Have fun with music. Next page 1 90W Power Supply 2 4K*60HZ 3 Excellent quality 4 Gigabit Ethernet 5 Audio output Note: Please read the caution carefully! The power of the docking station is 90W, the new Surface Laptop studio, Surface Pro 9 and other models may have smart charging or slow charging when charging, please refer to the original power adapter of your device. The mini DP cable is not included in this product package and needs to be purchased separately. In order to achieve 4K 60HZ screen projection, your mini DP cable and monitor must both support this specification. When the docking station can not be used, please check whether the docking station is connected correctly and whether the indicator light is on normally. If it still can't be used normally as mentioned above, please disconnect the power supply and reconnect it after 5 minutes. Is 90w enough to charge a Surface Book 1st gen? Yes, 90W can satisfy surface book 1 generation charging. Is this compatible with the Surface Go 1 and 2? Yes, Surface Go 1 and 2 are supported. Our Surface Docking Station is also compatible with Surface Pro X/7/6/4/3/2017, Surface Laptop 3/2, Surface Laptop go, Surface Laptop, Surface Book2, Surface Book. What picture quality can this docking station achieve？ This docking station can output up to 4K*60HZ high-definition picture quality, and you can connect external monitors, projectors, and high-definition TVs. Is it compatible with Windows 11? Yes, it works with Windows 11. I had no problems with my dock when I upgraded my Surface to Windows 11.