Side buttons on your phone won't be affected when you use it. And the internal slot design avoids accidentally pressing the lock screen or volume button to interrupt the game. With high sensitivity, you can play the game quickly, steadily and continuously for a long time with no delay. Having light weight and compact size, it is easy to carry. Adopting premium ABS and aluminium alloy material, it is durable and wear-resistant. With soft rubber contact, it won't scratch the screen. The length of the gaming trigger is approx 5.3cm, the width is approx 3.4cm and the height is approx 2.2cm. It is suitable for almost all smart phone models. Due to exquisite shape and extraordinary hand feeling, it will let you enjoy the pleasure of the game playing. Item Name: Gaming Trigger Material:Aluminum Alloy,ABS Model: E9 Applicable Equipment: for Smart Phones Size Details: Size: 5.3cm x 3.4cm x 2.2cm/2.09" x 1.34" x 0.87" (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: 2 X Gaming Triggers