Compact and portable design: 88 x 35 mm size makes the Mini Keychain Flashlight easy to carry on a keychain, in a pocket, or a small bag for outdoor adventures. Versatile lighting options: High brightness for distance, low brightness for close tasks, and a flashing mode for signaling or emergencies. Rechargeable battery: Built-in rechargeable lithium battery eliminates the need for frequent battery replacements and keeps you prepared. Power bank functionality: Type-C USB charging lets the flashlight double as a portable power bank to provide backup power for your phone during outdoor trips. Use scenarios: - Hiking and camping: reliable light on trails, plus the ability to charge a phone if needed. - Travel and roadside emergencies: compact extra light with phone backup power when you’re away from outlets. - Home, office, or emergencies: handy flashlight with a built-in power source during outages or unexpected power needs.