This is a handy little light can fit on your key chain. Use it with a backup power supply like a power bank for camping or during a power outage for light bright enough to see the whole room. Use it with a car lighter adapter to see inside the car. This light is useful anywhere you need light!
Powered by USB port
No batteries needed
COB (chip on board) - Longer life span!
Compatible with all standard USB device, power bank, mobile charger, computer or laptop. Double-sided USB design, both of sides can be used as plug.