Default [Q] how to root fly f351

i want to root my fly f351

MODEL NUMBER:
fly f351

ANDROID VERSION:
2.3.5

KERNEL VERSION:
2.6.35.7

SOFTWARE VERSION:
FLY_F351_V2_R_01.01.05_Build
Date:05/22/13_Build Time:17:40

HARDWARE VERSION:
K109_MB_P2_V0001