1,BT: BT 0 is stable and efficient, with a working distance of 10 meters. Allows you to concentrate on work, reading, watching videos and typing like a normal laptop. 2,Wide Compatibility: Light weight, compact structure, suitable for Android, for IOS, for Windows. 3,Environmental Protection Design: In line with international safety standards, dustproof, waterproof, scratch proof, , high performance. 4,Function Kit: PU box, keyboard, with stand, you have three items at the same time, which can provide more perfect protection for tablet computers and large screen mobile phones. 5,Leather Case: PU leather, brushed texture, comfortable to use, perfect and convenient for business work. 1 x Keyboard1 x Charging Cable1 x Leather Case Item Type: Keyboard with Leather CaseMaterial: PU, ABSApplicable System: for Android, for IOS, for WindowsBT Version: BT 3.0Effective Distance: Approx.10m / 10.9ydLithium Battery Capacity: 180mAh (Inclusive) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.