For iPhone 4 1)Can be charged while playing. 2)High grade silicone skin. 3)Various colors.

For iPhone 4 

1)Charge power for your iPhone when playing the game, mic hole.

2)Game Grip for iPhone 3G/3GS, for iPhone touch/Game controller case coming for your iPhone with Game grip, your iPhone 3G/3GS will become a Professional video game.

3)Multi-colors available now.

4)Can charge power for your iPhone when playing the game.

5)Have Mic hole(can use earphone when playing the game).

Features:

1) Can be charged while playing.

2) Can be used with headphones/ear buds.

3) Cord management system.

4) Game Grip controller.

5) High grade silicone skin that fits for iPhone 3G.

6) High-grade silicone skin that fits for iPod touch 2G with spacer insert.

7) Silicone grip covers and ergonomic design.

8) Ultimate versatility.

9) Manufacture Quality guaranteed. 

Major products:silicon case, covers, screen protectors, leather case, holders, cables, chargers and so on.

 

For iPhone 4G case