Know Before You Buy: Style 2-DY01 With Battery:1 Pcs Physics Button and 1 Pcs Pulse Button Style 1-DY01 Without Battery:2 Pcs Physics Buttons Description: Featuring less screen occlusion, this gamepad can provide you with wide field of view to bring you excellent game experience. This game controller is characterized by four speed adjustment, 50 shots per second, four finger design, long battery life up to 20 hours and so on, which enables it to help you to better enjoy the exciting shooting games. Made of high-quality alloy and ABS material, it is firm and durable to use. The length of this product is 5cm, the width is 3cm, and the height is 2cm. This product is universal for all touchscreen smartphones, and it is compatible for iOS, for Android. And it is easy to install and can bring game experience like computer mouse operation. Item Name: Game Controller Material: ABS,Alloy Model: DY01 Color: Black Charging Interface: Micro USB Battery: Built-in 50mAh Rechargeable Battery(Included) Pairing Way: Buckle Type Transmission Mode: Ordinary Model: Mechanical Inching, Upgraded Version: Electronic Pulse Applicable Model: Universal for All Touchscreen Smartphones Features: Speed Adjustable, High Sensitivity, 50 Shots/S Size Details: 5cm x 3cm x 2cm/1.97" x 1.18" x 0.79" (Approx.) Notes: Due to the light and the screen setting difference, the item's color may slightly differs from the pictures. Please allow slight dimension difference due to the manual measurement. The left side of this product is continuous shooting, the right side is single shooting. Package Includes: 1 Pair DY01 Game Trigger 1 Pair Gaming Finger Cots As A Gift