Features: 1.Ergonomics: Keyboard layout slightly tilted angle, triangular solidly, ergonomic design, placed to the desktop, typing easy and effortless. 2.Tilt Perspective: Smart tablets and cell phones can be placed inside the trough, tilt the scientific perspective allows you to type more efficiently and comfortably. 3.Silent Keys: Lightweight film keys, silent keys, light touch, easy to tap, no sound and no words, office entertainment without disturbing others. 4.Lightweight and Portable: Slim body with the same thickness as the tablet, stored in a backpack does not take up space at all, small, portable. 5.Plastic and Electronic: Keyboard is made of plastic and electronic materials, wear resistant and durable, can be used for a long time. specification:Item Type: Wireless Bluetooth Keyboard Material: Plastic, Electronic Bluetooth Version: Bluetooth 5.0 Construction Type: ABS, Oil Jetted Housing, Scissor Foot Key Core Keyboard Device: Bluetooth Device Using HID Protocol Bluetooth Communication Distance: Greater Than or Equal to 10meters Operation Time: Greater Than or Equal to 60 Hours Standby Time: About 6 Months Charging Time: About 2 Hours Charging Interface: Micro USB Operating Voltage: 3.7V System Support: Based on for WINDOWS, for OS X, for IOS, for Android , System Design Battery Type: Built in 180mAh Lithium Battery (Included) PackageList: 1 x Keyboard 1 x Charging Cable 1 x User Manual NoteFor Android 4.0 or later, for IOS 4.0 or later, for windows 8 or later