Designed for games on mobile phone, and our mobile game triggers are perfectly compatible for shooting games including PUBG, Rules of Survival, Knives Out, Sur . vivor Royale, Critical Ops, Fortnite, etc. Phone handle provides you with a more comfortable grip. The game handle uses ergonomic grip design, making you keep comfortable and not sweat after playing games for a long time, and ease your hand fatigue. Phone handle is with spring, so it elastic and can fit phones of different sizes. Being small and lightweight, it’s convenient to bring with you, and you can enjoy playing game at any time. How to Use: Before playing game, customize your shoot and aim buttons under the touch pad of the cell phone game controller (Note: you need to do a few things to the game setting, Please set according to product instructions). 0.058 Package weight: 0.083 kg Product size (L x W x H): 4.00 x 3.00 x 1.50 cm / 1.57 x 1.18 x 0.59 inches Package size (L x W x H): 5.00 x 3.50 x 3.00 cm / 1.97 x 1.38 x 1.18 inches Package Contents: 2 x Mobile Phone Game Controller, 1 x Handle