APPLICABLE DEVICES: Add peripherals to your fire TV stick 4K or host device. As USB flash drives (Format must be FAT32), keyboards, mouse, external hard drives, USB card readers, USB ethernet adapter, game controllers- DUAL FUNCTION CAPABILITY: Can provide both power and OTG for TV Stick, PlayStation Classic, Google Chrome cast, Raspberry Pi Zero, NES N64 Nintendo devices and many other streaming media players powered by a micro USB charging cable- PLUG AND PLAY SETUP: No complicated set up required. Not for charging phones or tablets. Easily connect USB peripherals like keyboards, flash drives, and external hard drives to your compatible devices for expanded functionality- DATA TRANSFER SUPPORT: Transfer photos, videos, documents and other data between device and the external memory. This will not charge phone or tablets- FILE SYSTEM COMPATIBILITY: Supports flash driver formats Fat16, Fat32, Exfat, no support for NTFS. Does not apply to any micro USB Ethernet adapter- POWER ENHANCEMENT FEATURE: Micro USB female power connector can charge external USB devices like USB flash disk and USB hard disk while maintaining OTG functionality for your host device