[Compatibility] Compatible with all micro USB powered streaming HDMI devices, compatible with Fire TV Stick series, Roku streaming TV stick, Chromecast streaming TV stick, Xiaomi TV Stick and other smart sticks.(TV sticks not included), Not an original power adapter [Avoid Hassle] Eliminates the need to find an AC outlet near your TV by powering for TV Stick directly from your TV's USB port [Power Management System] Through the central power management module, it provides sufficient power to solve problems such as insufficient power supply, reduced resolution and black screen caused by direct use of the micro USB power cord [Safety Protection] Multiple protection circuits, the voltage is output at constant voltage and constant current through the chip, allowing you to provide sufficient power support when enjoying 4K movies [How to Charge] Power your TV Stick directly from your TV’s USB port, eliminating the need to find an AC outlet near your TV. For the first use, you need to connect the device to the USB port of a turned-on TV and charge it for 10 minutes before you can use it normally USB Power Cable Compatible with Fire TV Stick – Stream Without AC Outlets This 5V/2A USB power cable provides stable power compatible with Fire TV Stick (4K/Ultra HD/Lite), Roku, and Chromecast devices directly from your TV's USB port. No more hunting for outlets – just plug into your TV's USB and enjoy clutter-free streaming. Key Features: Universal Compatibility – Compatible with Fire TV Stick (all gens), Roku, Chromecast, and Xiaomi TV Stick (micro-USB devices only) Power Boost Technology – Solves low-power issues that cause black screens or resolution drops Compact 33.5cm Cable – Discreetly tucks behind your TV Safety Protections – Constant voltage/current output prevents damage to devices Plug & Play – No setup needed (charge for 10 minutes before first use) Specifications: Input: 5V/500mA (from TV USB port) Output: 5V/2A (boosted) Cable Length: 33.5cm (USB-A to Micro-USB) Color: Black Note: Powers devices only when TV is on Not an original Amazon accessory Cut the cord clutter – power your streaming stick effortlessly and enjoy buffer-free 4K! (For micro-USB devices only. Does not include streaming stick.)