?POWER USAGE?: This usb splitter usb expander is designed for data sync not charging(?Note: No power source supply for USB port), we recommend you NOT use it to charge your smartphone and other devices. Also, for a stable connection, please avoid connecting devices that exceed a total of 900 mA. ?ERDONOMICS DESIGN?: The USB hub for PC with aluminum unibody provides premium protection with a slick look and a better heat dissipation. Temperature control under 45?, keep all the USB ports safe and stable during operation. Ergonomics 32-degree angle, saving more effort when you plug and unplug your USB devices and placing more stability on your desk. ?PLUG & PLAY?: This USB port hub has a built-in high-performance chip to keep your devices and data safe, and supports hot swapping. No need for installation of any software, drivers, plug and play. Please offer extra power supply via the micro usb port of USB adapter when the power-hungry devices are connected. The 4 ports of usb hub for laptop can work sumiltaneously without any pressure and the temperature keeps within moderate range, providing you with maximum convenience. ?SUPERSPEED TRANSMISSION?: 4-port usb 3.0 hub full usb 3.0 super speed data transfer, speed up to 5Gbps, 10 times faster than usb 2.0, backward compatible with USB 2.0/1.0. transfer large files, HD movies and songs to your device in seconds. ?4 PORT USB 3.0 HUB?: The usb hub solves your laptop usb port troubles by expanding one USB A port into 4 USB 3.0 ports (?Note: No power source supply for USB port). Connects to laptops, PCs, XBOX, PS4, PS5, USB flash drives, keyboards, mice, card readers, hard drives, printers, cameras, USB fans and USB cables. Keep your desk clean, avoiding the cluttered desktop.