1、 3-Port USB0: Can be connected with up to 3 devices simultaneously and the high speed transmission of up to 480Mbps. 2、 Support OTG function: allows connecting USB-A peripherals (e.g. mouse, keyboard, U disk, camera, etc.) to your USB-C smartphone or tablet (with OTF function). 3、 USB-C Charging Port: to provide larger power and faster transmission to the hub. 4、 Support hot swap, plug and play. Compact and lightweight, convenient to carry. 5、 Systems Requirements: Whindows XP/2003/Vista/2008/7/8/10 32/64bit, Mac OS. Description: This USB hub can add 3 extra USB ports to your smartphone, tablet or laptop. So that there are enough ports for your card reader, U disk, keyboard, printer, mouse or other USB-A peripherals. Plug and play, compact design, convenient for you to use and carry. It can be used under multi systems and compatible with many smartphones, tablets and laptops. Features: 1. 3-Port USB 2.0: Can be connected with up to 3 devices simultaneously and the high speed transmission of up to 480Mbps. 2. Support OTG function: allows connecting USB-A peripherals (e.g. mouse, keyboard, U disk, camera, etc.) to your USB-C smartphone or tablet (with OTF function). 3. USB-C Charging Port: to provide larger power and faster transmission to the hub. 4. Support hot swap, plug and play. Compact and lightweight, convenient to carry. 5. Systems Requirements: Whindows XP/2003/Vista/2008/7/8/10 32/64bit, Mac OS. Specifications: Color: Black Material: ABS Interface: USB 3.1 Type-C Port: 3 * USB 2.0, 1 * USB-C Charging Port Transmission Speed: 480Mbps Systems Requirements: Whindows XP/2003/Vista/2008/7/8/10 32/64bit, Mac OS. Suitable: for Macbook / Samsung S8 / Huawei P10 / Oneplus 5 and other devices with Type-C port. Package Weight: About 30g Package Included: 1 x 4-in-1 Type-C USB Hub (Other items in the pictures are not included.) NOTE: Please check if your device supports OTG before you buy it.