Please note, while this USB novelty gadget offer high brightness, it lack capabilities, so handle with care in wet environment Mobile phones, phone charging adapters, powerbanks, computers, and other USB port can provide power to the flashlight Builts with durability metal casing and LED bulb, this compactly USB gadget provides reliability Its pocket sized design seamlessly integrates with laptops, powerbanks, or any USB C device, delivering instantly light without charging delays or battery replacements Nonbattery design, must always be pluggeds in for use