超級簡單！按下即可播放原始的OOF聲音！
You always wanted to scream OOF?
Impress your friends with this sound effect!
Download OOF Button and play the original sound with just a button press.
FEATURES:
1.Vibration
2.Extra loud sounds
3.3D Animations
4.Beautiful coloring
5.Several sounds
HOW TO USE:
Press the button to play the sound!