ThunderboltTM 3 certified - ensures compatibility across all devices and an optimal user experience Adds a wide variety of ports to your MacBook Pro (13/15") instantly. Includes - one USB-C Thunderbolt 3 port, one USB-C port (USB 3.1 Gen 1), two Type-A USB 3.1 Gen 1 ports, one SD slot, one Micro SD slot USB-C Thunderbolt 3 port supports Power Delivery (PD) protocol enables charging of your 13" (61W) or 15" (87W) MacBook Pro at full speed from PD compatible power adapter, provides up to 5K video resolution, up to 40Gbps data speed (Thunderbolt) and USB 3.1 up to 10Gbps data transfer rate Provides 3 USB 3.1 Gen 1 ports (x1 USB-C, x2 USB Type-A) with data transfer rate up to 5Gb/s Memory card reader supports SDHC (UHS-I), SDXC (UHS-I), MMC, microSD (T-Flash), microSDHC (UHS-I), and microSDXC (UHS-I) memory card up to 2TB capacity (max..."Memory Card Supported: SDMemory Card Supported: SDHCMemory Card Supported: SDXCMemory Card Supported: microSDMemory Card Supported: TransFlashMemory Card Supported: MultiMediaCard (MMC)Memory Card Supported: microSDHCMemory Card Supported: microSDXCHost Interface: USB Type CHeight: 0.3Width: 1.1"Form Factor: ExternalWeight (Approximate): 0.80 ozPackage Contents: Thunderbolt 3 USB-C Hub with Card Reader PD Adapter - Silver User Reference Guide Environmentally Friendly: YesEnvironmental Certification: RoHSCountry of Origin: ChinaLimited Warranty: 2 YearPackage Contents Thunderbolt 3 USB-C Hub with Card Reader PD Adapter - Silver User Reference Guide "