Features: Cool down your gaming experience This cooling fan stretch gaming controller is to effectively reduce phone overheating, providing a smoother and more enjoyable gaming experience. With its extendable design, this gamepad fit various smartphone size, featuring a powerful cooling fan for efficient heat dissipation, and a ergonomic key layout for comfortable grip and play. Perfect for mobile gamers This product is for users who enjoy playing games on their smartphones, especially those who experience overheating issue during extended gaming. Use this game controller home, in office, or while traveling to provide stable support and cooling functions for your phone, ensuring a more comfortable gaming experience. Upgrades your mobile gaming setups with this innovative cooling fan stretch gaming controller, which supports Bluetooth-compatible connectivities for experience just pair and play! Specifications: Material: Plastic Working Voltages: DC3.7V Working Current: 10mA Charging Voltages/Current: DC5V/500m Bluetooth-compatible Distance: ≤8m Battery: 370mAh(Include) Stretch Size: About. 100-178mm/3.94-7.01in Color: White/Black Package Includes: 1 Set Game Controller note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.