About this item 7-in-1 Expansion - LENTION CB-CE18 features a 100W Type C charging port, a 4K@30Hz HDMI output port, a USB3.0, and 2 USB 2.0 ports. The USB 3.0 and USB 2.0 ports for connecting multiple devices such as flash drive, keyboard, mouse, printer, etc. SD and Micro SD 2.0 Card Reader can read up to 256G memory cards Max 100W Power Delivery - Providing up to 100W Super Fast Power Delivery pa-through to power your host devices (such as laptops, tablets, phones), and provide extra power to the peripheral that is connected to the USB ports simultaneously 4K HDMI Port for UHD Visual Feast - Mirror or extend your screen with USB C to HDMI adapter to HDTV, monitor, or projector. You could enjoy movies with your family on a bigger screen, or making a vivid presentation in a meeting. Support 3840x2160 4K@30Hz, 2560x1600 and lower resolutions at 60Hz Universal Compatibility - Work with MacBook Pro 2016-2023 (13/14/15/16/M1/M2) & MacBook Air 2018 2019 2020 2021 2022 2023, New iMac/Pro, MacBook 12, New Surface Pro/Book/Go with USB-C, Chromebook, and more full-functional type-c devices. Not support Superdrive Stable Driver 3.0 Certified - LENTION published the advanced Stable Driver 3.0 standard to help customers buy with confidence. The standard included 3 main features: Non-Interference between connected peripherals, Sufficient power supply, and the Devices working under normal temperature without overheating