Mobile Game Trigger for iPhone with Vibration 4 Finger Grips Compatible for PUBG Fortnite COD Shooting Games BIGBIG WON M1 MobileShootingGaming Button Triggers Gamepad with Vibration for PUBG Game Controller Joystick1. Dual fire control frenzy, continuousshootingnon-stop/single shot, independent fire control, no need to switch thunder/strike2. BIGBIG WON daperformance-x key frequency multiplication technology can record the number of one-key three-clicks and two one-key clicks, which technically guarantees the violent firepower3. Hand speed recording and zooming of the real person's violent output track: According to the user's habits, the N gun combo frequency of the real person can be customized within one second, and you can also output 2x/3 times the speed with one key to ensure the real person Safety and reliability of violent output trajectory4. Built-in vibration motor, fullshootingexperience, built-in fast vibration motor, trigger button to immediately receive vibration feedback, bringing better FPS gaming experience5. Pure physical peripheral account healthy green physical response, does not interfere with the system and game real-time combo frequency and trajectory, safe and reliableSpecification:Material: ABSInterface type: USBBattery: 75 mAhCharging time: 5 minutesGame time: 2 hoursBuckle: maximum width 102mm; Thickne 10mmApplicable model: 6.5-inch mainstream SmartphoneSize: 83 * 40 * 30mmNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-2cm measuring deviation due to manual measurement. 1 X Game Controller1 X USB Cable1 X Instructions