Compatibility: The micro USB OTG adapter works with Fire TV Stick, Fire TV Stick 4K, Fire TV Stick 4K Max, Fire TV Stick Lite, Chromecast, and other streaming sticks or micro USB host devices. Expansion Capability: Use this adapter to connect a keyboard, mouse, USB flash drive, card reader, Ethernet adapter, or other USB peripherals to your streaming stick or micro USB device. Easy to Use: No extra drivers or software needed—just plug the adapter into your device, connect the USB power cable, and it’s ready. Please Note: On micro USB phones or tablets, it only supports OTG and won’t charge the device, but it can power streaming sticks and USB peripherals. What You’ll Get: 2 micro USB OTG adapters. For any questions, contact us—we’ll respond within 24 hours.