*Notice before shopping: 1.Please check whether your phone has OTG function first, if there is no such function, there is no way to connect the keyboard and mouse. 2.You have to open the OTG function.*(If your mobile phone does not have this feature and you buy our products, the connection cannot be connected, we will not accept returns and any warranty services) 3. And you have to turn on the USB debugging of your phone 4. You need to download Tencent Game Manager 5.The product only support MediaTek mobile phones Both steps must be completed to connect to the phone For example, the OTG mobile keyboard is used to connect to the teaching program, and Tencent game housekeeper learns. Many of them have it. You can play it with the settings.If haven't turn on,it can't connect.if haven't this funcation,also can't use,And also make sure your mouse and keyboard support this funcation. Specifications: Game console accessory type: Game console bag / box Interface type: USB Vibration method: no vibration Applicable products: android Type-c platform Material: Plastic Product size: 80 * 60 * 15mm Product weight: 39g Additional features: keyboard and mouse converter Applicable number: 1 Video game rating: Elite, Entry-level, Fever, Hardcore Applicable age range: 12-45 Product color: K103 one-handed + V2 mouse + OTG cable, K7 one-handed + M3 mouse + OTG cable Fire method: hold down the right mouse button and drag to move the field of view. Press the left and right mouse buttons simultaneously to fire. Fire can also be set as a keyboard shortcut. Open the keyboard to set keyboard shortcuts, the default is the Q key. Turn on the light: press the penultimate button in the first row of the keyboard Oppo and vivo mobile phones need to open OTG and USB debugging in the mobile phone settings Huawei Xiaomi Meizu OnePlus Samsung Turn on USB debugging in the phone settings To open the USB debugging, first go to the About mobile phone page and find a version number. Click on the version number a few times to remind you that you are already in developer mode. Then go back to the other settings in the phone settings and click Enter developer options. Open USB debugging inside OTG use 1. Turn on the OTG function of the mobile phone and let the OTG turn on. 2. After connecting it, see if the keyboard can type. When you can type, you are connected. If you can’t type and haven’t connected, you need to recheck whether the line is connected. 3. If you want to play games, you need to set up the game manager of Tencent or the grape game hall. Tencent game housekeeper set simple. You can follow the steps of the picture step by step, set it and save it.