Description/Features: 1. This product adopts ergonomic design, with a comfortable touch. 2. It has the function of stretching and shrinking, and can stretch and accept phones with different lengths of 129~252mm. 3. Using Bluetooth 5. /BLE connection, the controller is connected to hosts such as the phone through Bluetooth. 4. Supports ShootingPlus V3 APP, which can be downloaded from mobile app markets. Supports Android and HarmonyOS HID standard modes, and can play game hall games that support HID standard modes Supports Android 6.0 and above systems (. ShootingPlus V3 Android mode). Supports multiple touch controls for iOS 10.1 to 13.3.1 systems (. ShotingPlus V3 iOS mode): supports single touch control for iOS 13.4 and above systems. Supports MFi games for iOS 13.0 and above systems, which can be downloaded from the ShanWan MFi app. Supports Bluetooth connection for playing games on // consoles, and has gyroscope function. Supports Bluetooth connection for Windows 10 laptops and plays X-lnput games. supports USB cable and can play PC//. The button comes with a cool LED backlight (pressing the L3+switch simultaneously can turn the button backlight on or off). Due to phone system issues, some phones may not support this device : Working voltage: DC3.7V Working current: approximately 10mA Continuous use time: 20H Sleep current:Less than 5uA Charging voltage/current: DC5V/500mA Bluetooth transmission distance:8M Battery capacity: 600mAh color: Black Material: ABS Due to different batches, there may be differences in product appearance and printed text, which will not affect use Package Contents: 1 x Handle Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.