These products are 4 trigger buttons for mobile phone game. This pair of and targeting buttons on the mobile game its will help you shoot faster that assist you to become the winner. High buttons, help get higher scores in the game. The fixed is stable and not shifting, and more stable when play game. A necessarity for mobile phone game. Features - Color: Black+Red - Material: ABS, Metal. - Size: About 4 x 1.5 x 2.2cm. - Metal induction , conductive metal, easy to install. - Suitable for tablet mobile games assist. - The fixed is stable and not shifting, and more stable when play game. - Support games such as user-defined at home - The handle is reserved for a certain height with a cell phone shell that can't play on the screen - High buttons, help get higher scores in the game - Help you improve the gaming experience - Warm Tip: Dear buyer, Due to lighting effect,monitor's brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand! Thank you Package list: 4 x Buttons