QIxia Backlit Wireless Bluetooth Keyboard and Mouse with light LED for iPad Laptop Android Tablet

About connection method： Keyboard: bluetooth (no usb) Mouse: bluetooth and usb Mouse and keybaord charging time: Charging time ahout 3-4 hours, using time ahout 100 hours. Keyboard and mouse are fully charged: There is no indicator light when fully charged, just charge for 3-4 hours. Requirements for the use of different systems: For ios: Keyboard and mouse are compatible with Phone and pad and  book. The mouse can be used with a system above ios13. For Android: Keyboard and mouse are compatible with Android phones and Android tablets, provided that your device has Bluetooth function.（Not compatible with INFINIX） （for model C: If you need to use the touch panel, the Android system needs to be upgraded to Android 4.0 or above） For Windows: keyboard and mouse are compatible with PC and laptop, provided that your device has Bluetooth function, the keyboard can be used. The mouse can be connected via a USB receiver or connected via Bluetooth. This keyboard has a backlight function, the backlight color can be changed, there are a total of 7 colors. The keyboard and mouse are rechargeable. 1: 10 inches: 15 * 25CM weight 2: Compatibility: Windows / Android / IOS 3: Charging voltage: 5V1A 4: The keyboard is not compatible with the TV. 5: Material: ABS + aluminum alloy Bluetooth connection method: 1. All "open" buttons on the keyboard 2. Press the clerk's "connect" button and hold for 2 seconds 3. Open the Bluetooth app you should connect to 4. Click Bluetooth, click the button on the app, and then click the connection option.