Features: and Convenient to use, no tools or drivers needed to complete the installation in seconds. Ergonomic design, which has comfortable feeling. Fit for most Android and IOS phones.The mobile game triggers are perfectly compatible for shooting games. Small and lightweight, you can bring it wherever you go and use it whenever you want to for play games. The extendable size is able to hold 4.7-6.8 inch device. Specifications: Material:Metal Color:Black/White Working Voltage: for Dc 5v Battery Capacity: 250Mahx2 Charging Time: 2.5-3h Size: Approx. 9x8x4 for cm/3.54x3.15x1.57 inches Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Set Phone Gamepad Note: 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.