The game controller can provide you with nice usage experience because of its zinc alloy key and easy installation. Game controller can help you to better enjoy wonderful game experience because of its less screen occlusion and precise control. It is made of ABS and zinc alloy material, which is reliable and durable to use. The length of the single game controller is 4cm, the width is 2cm and the height is 1cm. It is universal for all touchscreen smart phones, and it is compatible for iPhone and for Android mobile phone. It is suitable for shooting games to bring game experience like computer mouse operation. Item Name: Game Controller Material: ABS,Zinc Alloy Model: K03 Style: Left, Right, Left and Right (Optional) Pairing Method: Buckle Type Transmission Distance: Inching Applicable Models: Universal All Touch Screen Smart Phones Features: High Sensitivity, Precise Control, Easy Installation Size Details: Single Game Controller Size: 4cm x 2cm x 1cm/1.57" x 0.79" x 0.39" (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: Left: 1 x Game Controller or Right: 1 x Game Controller or Left and Right: 2 x Game Controllers