This is aUSB-C to USB-A3.0*4+HD*1+PD*1 Adapter Made of high-quality aluminum alloy, it is sturdy and durable Small and compact size, and lightweight, it is easy to use, plug and play The aluminum alloy shell is delicate and smooth, good touch feeling Compatible with Windows macOS 10-12, Windows 8.1-11 Specifications: Product size: 110 x 43 x 12.5mm, L=1020mm (wire + small shell + SR) Material: aluminum alloy Compatible with Operating System: Support macOS 10-12 (no driver required, in some cases physical interface transfer is required) Support Windows 8.1-11 (no driver required, in some cases, physical interface transfer is required) Support Windows XP/Vista (need to download the driver to use) Support Linux Support iPad OS 13-15 (no driver required) Support Harmony OS 2-3 (Android OS 9.0 and above and Harmony OS 2.0 without driver) Support Android OS 9-11 (no driver required) Compatible with Device: Support all Mac devices (OS X10.9 and above do not need drivers, in some cases, physical interface transfer is required) Supports Windows laptops with "Intel EVO" certification (no driver required, in some cases, physical interface transfer is required) Support eligible Windows laptops (factory pre-installed Windows 8.1 does not require drivers, and in some cases requires physical interface transfer) Support iPad Pro2018/2020/2021 and iPad Air 4 Support all models of Huawei Mate 10/11/20/30/40 and P10/11/20/30/40 Support mobile phones and tablets launched in 2019 or later and pre-installed with Android OS 9.0 or above Support Samsung DEX mode, under ONE UI, up to FHD (1920x1080) Nintendo Switch not supported