1.Noiseless typing– Using same Scissors Structure Switch as laptop keyboard, providing noiseless typing. Perfect for office and home. 2.2 in 1 Keyboard Protection Cover & Phone/Tablet Stand -PU Leather, 2 functions, can either keep your keyboard away from dust or work as a phone/tablet stand. 3. 3 Bluetooth Channels Connection-Connect 3 devices with one keyboard and switch between different devices efficiently via shortcut keys. Great working mat for phone/tablet/Laptop at the same time. 4.Rechargeable Lithium Battery-Built in 250mAh rechargeable lithium battery with type C charging cable, standby time 400hours. 5.Auto sleep model-Power saving through auto-sleep model, usually after 10mins without moving.