It does not power on even when connected to the main unit. Please understand that this is a junk item before purchasing. 【High Compatibility】 The Logicool Combo Touch is a keyboard optimized for iPad. In particular, it is integrated with a touchpad, allowing for comfortable operation. 【Stylish Design】 The gray fabric is simple yet luxurious and matches any scene. It's lightweight and convenient for carrying. - Brand: Logicool - Model Name: Combo Touch - Color: Gray - Type: Keyboard Cover - Connectivity: Bluetooth - Compatible Devices: iPad Thank you for viewing.