Amazon Fire TV Stick 4K with USB Power Cable (eliminates the need for AC adapter) Currently unavailable. We don't know when or if this item will be back in stock. This bundle contains Fire TV Stick 4K and Mission USB Power Cable. The USB power cable eliminates the need to find an AC outlet near your TV by powering Fire TV Stick 4K directly from your TV's USB port. Includes special power management circuitry that enhances the peak power capability of the USB port by storing excess energy and then