Innovative Digital Hand-Crank USB Cell Phone Emergency Charger for Apple iPhone 6Plus, 6, 5S, 5C, 5, 4 4S, 3GS 3G, Android Phones, Samsung Galaxy S7,S6, S5, S4, S3, S2, S plus other Smart Phones Hand-winding charger with the USB interface for iPhone 6Plus, 6, 5S, 5C, 5, and 4 series plus Samsung Galaxy S7, S6, S5, S4,S3, S2, S series and others Ideal solution for charging your cellphones/ MP3 Players/ PDAs/ DVs when main power is not available in an emergency Compact design for easy carry only 2.3" x 2" x 1.25" only 2.5 ounces Red LED indicator lights up and power is being generated while your phone is being charged Durable and lightweight, Folding cranking handle