MAC-STYLE DESIGN: 2.5D unibody aluminum alloy exterior, ionized finish, reinforced TPE cable coating, and EMI protection to prevent interfere with wireless devices. Type-C PORTS: 1x Male - data transfer with the latest devices, such as MacBook Pro 2016-2023 (13/14/15/16) & MacBook Air 2018 2019 2020 2021 2022 2023 - (Not for previous generation MacBook Air & Pro), MacBook 12, New Surface Pro/Book/Go with USB-C, Chromebook, etc. 1x Female - only for charging. PLUG & PLAY: With no external drivers or power required, designed for use with portable devices such as wired keyboards, USB flash drives, 2.5mm external disks, etc. Due to the power supply limit of the laptop, some high-power devices may not boot up, like 3.5mm external disk, printer, etc. Not designed for use with SuperDrive. POWER DELIVERY: Charging your laptop up to 100W (This function applies to MacBook 12, the latest MacBook Air/Pro with thunderbolt 3/4 ports, Windows laptops and devices with USB-C PD function. Some devices may not be supported, see the for a list of supported devices.). UPGRADE VERSION: Contains one Type-C power delivery port, and three USB 3.0 ports, connected with an output Type-C port, providing high data transfer speed up to 5 Gbps; lightweight and appropriate size to carry in your laptop bag when traveling.