Specifications:A set of 2pcs for left and right hand operation, the installation is arbitrary and no needs to recognize left and right direction.Mechanical engineering controller offers you better hand feel, no chance for mistake operation or firing accidentally.Analogous mouse operation, even better to operate than mouse.Super sensitive, has no delay, support variety shooting games for mobile phone.Suitable for most of mobile phones, easy to install and use.Make your gaming experience more excellent, your hands won't fatigue for long time playing.Supported Games But Not Limited to:for Rules of Survivalfor Survivor Royalefor Knives Outfor PUBG Mobilefor Critical OpsItem Name: Phone Game TriggerMaterial: Metal + ABSSuitable System: for Android, for iOSSize: 4.1cm x 3.7cm x 1.8cm/1.61" x 1.46" x 0.71" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 Pair of Phone Game Triggers(The phone is not included.)