4.The USB hub multi-port adapter includes 4 * USB 3.0 that supports ultra fast data transfer, up to 5Gbps, 10 times faster than USB 2.0 (480 Mbps), allowing you to transfer data in seconds; The USB expansion hub is equipped with an OTG function chip, which can easily connect USB devices such as mice, keyboards, USB drives, etc.

3.[Material] & The mist surface micro frosted shell has good heat dissipation, high safety in use, and is waterproof and leakage proof. The USB dispenser has been specially designed to be as lightweight as possible, making it perfect for you to work and travel with a super notebook. Easy to store and use. Advanced chipset with excellent heat dissipation design, ensuring no heat generation even after prolonged use. [USB Male to Dual USB Female Adapter more Compatible] & The 4-port USB extender is compatible with various devices such as cars, laptops, desktops, mobile phones, flash drives, keyboards, mice, card readers, hard drives, mobile OTG adapters, printers, USB fans, and USB cables. [Strong compatibility (plug and play] % Compatible with All Windows / Mac / Linux Systems Windows 10/8/8.1/7, Vista, XP, Mac OS, 10.6-10.12 or later, Linux 2.6.14. [USB 3.0 HUB Splitter SuperSpeed Transmission] & The 4-port USB hub adopts efficient USB 3.0, providing 5gbps of stable data transmission 10 times that of USB 2.0, stable transmission without stuttering or delay, and is compatible with 2.0/1.1/1.0. Its speed is enough to transmit a HD movie in just a few seconds. [Upgraded Version USB 3.0 Hub] & 4 USB hole splitter compatible all USB device at the same time, protection the original interface. Avoid to frequently wiping and damage of native interfaces.