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 quality, high performance. 4,Function Kit: High quality 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: High quality 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 or 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.