Excellent Compatibility: Supports iOS, Android, and Windows systems, perfect Bluetooth keyboards for Apple iPhone, iPad, iPad Mini, iPad Pro, iPad Air, Samsung, LG, Windows tablets, and smartphones Lightweight and Portable: Lighter and smaller than traditional wireless keyboards, easy to carry without taking up much space. Keyboard dimensions: 25 x 15 x 0.6 cm, weight: only 180g Long-lasting Use: Built-in rechargeable lithium battery, this keyboard for ipad can be used continuously for over 20 days after fully charged (2 hours per day). Automatically enters sleep mode after 10 minutes of inactivity, press any key to wake it up Comfortable Typing: Scissor-structure keys and chocolate keycaps, ergonomic design. Provides a quiet and comfortable typing experience on tablets, iPads, iPhones, and smartphones Stable Bluetooth Connection: Adopts Bluetooth 3.0 technology, working distance up to 10 meters. US QWERTY layout, with hotkeys for volume control, play/pause, next/previous track. Brushed front design, ultra-thin smooth aluminum alloy back design.