Description of application: 1 This product adopts ergonomic design and feels comfortable. 2. With stretch and shrink function, it can stretch and store mobile phones with different lengths of 135-173mm. 3. Bluetooth 5.0 EDR / ble connection is adopted, and the controller is connected withmobile phones and other hosts through Bluetooth. 4. lt supports shootingplus V3 app, which can be downloaded through various mobile application markets. 5. Support Android and Hongmeng hid standard mode, and can play all kinds of game halgames that support HID standard mode. 6.Support systems above Android 6.0 (i.e. shootingplus V3 Android mode). 7.Support multiple touch of IOS 10.1 to 13.3.1 systems (i.e. shootingplus V3 I0S mode) Support single touch for IOS 13.4 and above system 8. Support MFI games for systems above lOS 13.0. MFI games can be downloaded from Shanwan MFI app. 9. PS3 /PS4/ switch game console is supported to play games with Bluetooth connection but there is no gyroscope function.