1. Please Note: When you use it on a Micro-USB phone or tablet, it only supports OTG and cannot charge your phone or tablet, but can power streaming sticks and USB peripherals. 2. Expansion Capability: Use this micro-USB OTG adapter to add keyboard, mouse, U disk, USB flash drive, USB card reader, USB ethernet adapter and other USB peripherals to your streaming sticks or micro-USB host device. 3. Easy to Use: This adapter does not require additional drivers and software. Just connect the adapter to your streaming sticks or micro-USB host device, and connect the USB power cable, then it works. 4. Compatibility: The micro-USB OTG adapter is designed for Fire TV Stick, Fire TV Stick 4K, Fire TV Stick 4K Max, Fire TV Stick Lite, for Chromecast, other streaming sticks and more host devices with micro-USB. Note: Light or different monitors, the real thing has a chromatic aberration, does not affect the use of Colour:Space Gray Material:Aluminum Alloy+PVC Package Contents: 4 x OTG Adapter