Innovative Record and Playback Function Choose mode-Rec, can record your subsequent press on the major button, and replay the recorded frequency/ taps. Define your own taps on FPS games for PUBG/CODM. You can do as fast as you can. Upgrade Capair Mapping Technology 2 Upgraded CapAir Mapping technology. Both algorithm and communications technologies are optimized. Synchronous sound and Image during games, assist you to win. Creative Removable Design of Buttons Shadow stinger has major and vice buttons. They can be used separately or as a set. Freely transformation between four and six fingers. Please note, vice button must be used together with major button. Improved Ergonomics Design Specially designed for mobile gaming. Improved the power support for last three fingers. Much more stable for hands holding. Both iOS and Android Devices Supproted Thick mobile phone screen protectors and cell phone cases can be easily compatible. Maximum 87mm width, maximum 10.5mm thickness Revolutionary Adjustable Head Structure Grip the mobile phone much more suitable with no damage. Chip moved to trigger head, more sensitive and precise for shooting Premium Micro Trigger Button Premium Micro Trigger Button, Mechanical Feel Super Long Gaming Time, Super Long Gaming Time, Effortless Recharging. Two months for playing time after fully charged. Only 1.5hrs of recharge to 100%. Can be played for 10hrs after only 5mins charging. Please note: Only major button need to be charged.