Features 1.VIBRATION FUNCTION: Shooting vibration function, immersive gaming experience, multiple vibration, can be rude or gentle, at any time to show off the whole scene multiple scenes of subtle vibration, straight to the game within the rude and madness. 2.AI CHIP: Game controller trigger adopts AI chip, intelligent algorithm, it can break to 68 shots in one second, extreme shooting speed, get simulated shooting experience. 3.EASY TO USE: Using this mobile game controller, you can move, angle adjust, aim and shoot at the same time with the thumbs and index fingers of the left and right hand. 4.PERFECT COMPATIBILITY: Game Triggers fit for all for iPhone and most for Android Phones, without even remove your phone case. 5.CLIP DESIGN: Mobile gaming controller uses a unique clip design that provides long lasting elasticity and protects the screen from scratches. specificationItem Type: Mobile Triggers Product Material: PC, Zinc Alloy, Silicone Features: RGB Cool Light, Shooting Vibration, Sensitive Noncontact Pulse Model with Battery: Built in 40mAh Polymer Lithium Battery Pulse Mode Gear: 4 Speeds Endurance: 5 Hours of Play with The Vibration Function On, 12 Hours of Play Without The Vibration On Type: Cell Phone Universal Color: Black PackageList2 x MobileTriggers 1 x ChargingCable NoteOne pulse model charged, one regular model. Pulse model ships with built in battery.