Item Type: Mobile TriggersProduct Material: PC, Zinc Alloy, SiliconeFeatures: RGB Cool Light, Shooting Vibration, Sensitive NoncontactPulse Model with Battery: Built in 40mAh Polymer Lithium BatteryPulse Mode Gear: 4 SpeedsEndurance: 5 Hours of Play with The Vibration Function On, 12 Hours of Play Without The Vibration OnType: Cell Phone UniversalColor: BlackPackage List2 x Mobile Triggers1 x Charging CableOne pulse model charged, one regular model. Pulse model ships with built in battery.1VIBRATION 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. 2AI 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. 3EASY 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. 4PERFECT COMPATIBILITY: Game Triggers fit for all for iPhone and most for Android Phones, without even remove your phone case. 5CLIP DESIGN: Mobile gaming controller uses a unique clip design that provides long lasting elasticity and protects the screen from scratches.