Specifications: Hand-winding charger with USB interface. Dynamo cellphone charger, functions as a miniature power station. Built-in flashlight with LED indicator showing power generation and charging status. Safe to use and will not harm or damage your mobile phone. Reusable and convenient for travel due to lightweight and compact design. Provides power to your mobile device when no electricity is available. Charges your mobile phone without requiring grid electricity, sunlight, fuel cells, or batteries. 30 seconds of cranking generates up to 5 minutes of bright light. 2 minutes of charging provides up to 6 minutes of talk time or up to 30 minutes of standby time. Type: Charger Material: Metal, Plastic Maximum Output Voltage: DC 5.5V Maximum Output Current: 600mA Features: Emergency, Travel, Hand Dynamo Charger, Green, Environmental-friendly Size (L x W x T): 6cm x 4.9cm x 3.1cm / 2.36in x 1.93in x 1.22in (Approx.) Notes: Rotate at a steady pace of 100-120 rotations per minute; avoid rapid spinning and rollback. Keep the charger away from heat, fire, water, and excessively cold environments. Due to lighting and screen setting differences, the item's color may vary slightly from the images. Slight dimensional variations may occur due to manual measurement. Package Included: 1 x USB Hand Dynamo Charger with Light