4 Port Micro USB Hub — Key benefits and features Simultaneous connectivity: Connect up to four USB 2.0 devices at once (U disk, mouse, keyboard, game controller, etc.) to your Micro USB smartphone, tablet, or other compatible host. Stop swapping cables—work faster and keep your desk tidy. OTG plus charging: Supports OTG functionality and charging at the same time. Use peripherals while keeping your host device powered so you can continue productivity or gameplay without interruptions. Broad compatibility: Works with Micro USB OTG–capable devices and standard USB 2.0 peripherals. The hub connects easily to smartphones, tablets and other devices that support OTG, expanding their functionality without extra drivers. Hotswappable convenience: Plug and unplug USB devices without rebooting or risking data loss. Hotswappable support saves time and reduces interruptions during file transfers, presentations, or gaming sessions. Compact, practical design: Small and portable for travel or desktop use. The straightforward plugandplay design requires no software installation and integrates into existing setups quickly. Practical use scenarios Mobile office: Connect a USB flash drive and wired keyboard to your tablet to edit documents, then keep the tablet charging through the hub during extended sessions. Media and photo transfer: Move photos from a camera or USB stick to your phone or tablet for quick viewing and sharing, without needing a PC. Gaming and control: Attach a wired game controller and mouse to your device for more precise control while charging, and swap controllers midsession without restarting. What it solves Eliminates constant cable swapping when you need multiple peripherals. Lets you use legacy USB devices with Micro USB hosts. Keeps your host device powered while peripherals remain connected. Included functions: 4port Micro USB hub, USB 2.0 compatibility, OTG support, charging support, hotswappable operation.