... portable electronics with LED flashlight Designed for Charging: Mobile Phones, digital cameras, PDA's, MP3 players, MP4 players Built in LED ... (25 %, 50%, 75%, 100%) - USB connection - Solar charging Input / Output / Buttons- Voltage switch: 3.7v, 4.2v, 5.5v, 9v - Power IN ... models) With this product, you can charge most of phones, digital cameras, MP3, MP4 etc. Based on the lithium polymer battery ...