1、Bluetooth 0 is stable and efficient, working distance of 10 meters/38ft. 2、This keyboard is small and light, does not occupy space, easy to carry, and has wide compatibility can be used for Android, for IOS, for Windows. 3、Environmentally‑friendly, complies with international safety standards, which is dust‑proof,waterproof, scratch‑resistant, high quality with high performance. 4、Multi‑functional set includes premium PU case+keyboard, with stand, you have three things at the same time, allows with more perfect protection for your tablet and huge screen mobile phone. 5、Leather case, high quality PU leather with brushed texture for comfortable using experience. 1 x Data Cable1 x PU Leather Case1 x Keyboard Conditon: 100% Brand NewItem Type: Tablet KeyboardMaterial: ABS+PUColor: As Pictures ShownApplicable System: Fit for Android, for IOS, for WindowsBluetooth Version: Bluetooth 3.0Effective Distance: Approx. 10 Meters/ 32.8ftUse Tutorial: 1. Push the [OFF switch to ON] in the upper right corner of the Bluetooth keyboard, the blue light will light up, and the keyboard will start. 2. Turn on the tablet, find-Settings-Turn on wireless and network-Turn on Bluetooth-Search nearby devices-[Search Bluetooth keyboard name (Bluetooth keyboard)] and click to connect. 3. The tablet screen prompts [Bluetooth pairing request (input Bluetooth password XXXX to pair " Bluetooth keyboard")], enter the number displayed on the screen on the Bluetooth keyboard and press the Enter key, the connection is successful.