Type-C USB rechargeable & long battery life: Contains a 320 mAh lithium battery, which automatically adjusts the light brightness and has a battery life of up to 35 hours. You can also use a power bank or laptop to charge it.Easy to use: long press to activate the white light, release to turn it off. Double-click to enter the always-on mode, and click to adjust the brightness of the light. Three clicks will enter the side light mode, and one click will activate lights of different colors in sequence. Press and hold for 3 seconds to turn off the flashlight.Compact size: Small design size and light weight, only 19g. It is easy to carry around and can be placed in the car or bag. It is also a keychain accessory and does not take up any space.Heavy rain proof & drop proof: Maximum IP-65 heavy rain proof level, up to 1 meter drop proof.Magnetic suction & rescue: There are two magnets at the bottom, which can be attached to the roof of your car and send out a distress signal in any danger or emergency.Multi-scenario use: This keychain flashlight can be used for daily emergencies, night fishing, night riding, hiking, night reading, and camping. It can also be used for currency verification, detection of fluorescent agents, anti-counterfeiting identification, etc.