【Super Long Lifetime】This mini flashlight keychain is equipped with high quality LED lights, powered by 60mAh lithium battery, Lifespan up to 100 minutes 【Portable Size】Only about 2.1 inches length,with metal keychain, this pocket flashlight is perfect for everyday carry. Compactly designed LED lights can be used for dog walking light, reading,camping, hiking, safety light or emergency, walking up or down stairs,sleeping or getting up at night. 【USB Rechargeable】No need to buy additional batteries.Charging via USB port(laptop,car,mobile power).Charging 30 minutes can be used for 100 minutes 【Easy to Use-Single Mode】Only by rotating the light head to adjust ON/OFF for super bright white light, one-handed easy operation.USB charging port with a protective sleeve, you need to open it after a slight rotation before charging. 【Waterproof Design】With its IPX4 waterproof construction, you can trust this flashlight to work in wet or damp conditions 【High-Brightness Mini Flashlight】Small flashlights powerful, made of ABS, brings you a comfortable touch. Built-in high-brightness LED bulb up to 25 lumens Specifications: Product material: colorful ABS shell, standard USB port, IPX4 waterproof design Product size: 2.2cm in diameter, 5.33cm in length, 4.8cm in chain length, Product weight: 17g Function: only strong light and no flash warning function can be selected Brightness: 25 lumens Battery: built-in environmentally friendly rechargeable 60 mAh lithium battery (no need to disassemble and assemble) Charging: normal charging for 30 minutes can be used for about 100 minutes Charging indicator: emits charming red light during normal charging, and will not turn green when fully charged Switch: rotary switch, durable, avoids accidental touch with light touch