rotary mobile charger

Features:
1) It needs no power source. Just rotate the handle, and it will act as an
  emergency charger for mobile phone
2) Charge for 3 minutes, get 2-8 minutes communication by telephone
3) You needn't worry about emergency power shut-off
4) Set LED inside, so it can be used as an emergency light
5) Subminiature and easy to carry about
6) Output voltage: 7.5V
7) Output current: 300mA
Outer packing:
Blister
100pcs/ctn
Carton dimensions: 58 x 25 x 46cm
N.W.: 13.1kg
G.W.: 14.1kg