With compact and extensible design, it is portable and comfortable to use. With the back clip, it is easy to install and it is more firm for your daily use. Lots of appealing features have been integrated into this product such as one-key start, sensitive shot without delay, accurate and efficient in operation, four-level adjustment, low power consumption, long standby time, internal hollow design, etc. It is made of premium ABS and silicone material so the gamepad is reliable and has long service life. The length of the product is 12.5cm, the width is 3.5cm, the height is 3.5cm. It is suitable for smartphones within 6-13mm in thickness. Item Name: Gamepad Material: Silicone,ABS Upgrade Version Battery: Built-in 50mAh Rechargeable Battery(Included) Compatible Products: Smartphones within 6-13mm in Thickness Features: Lightweight, Extensible, Rechargeable Size Details: 12.5cm x 3.5cm x 3.5cm/4.92" x 1.38" x 1.38" (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: Standard Type: 1 x Gamepad (Phone Not Included) or Upgrade Version: 1 x Gamepad (Phone Not Included) 1 x Data Cable