Features:
1) High power, high efficiency multi-functional wind up dynamo digital camera
and battery charger
2) Environmentally friendly, never needs batteries, 1 LED, rainproof, built-in
battery, wind up recharge, patented product, ergonomic design, high
power voltage option, set the switch to get 5V or 8V output voltage
according to your request
3) Connect one end of the charging cable with mobile phone, plug another
end of the cable into the voltage output port on the unit
4) Great for cars, boats and campers and used as all emergency kits
5) Size: 8.6 x 5.1 x 3.5cm
6) Net weight: 107g
7) Power: 3.5W
8) Material: ABS