Specifications:Wide compatibility: this bluetooth-compatible keyboard supports three major operating systems: for iOS, for Android and for Windows, suitable for most tablets and smartphones.Smart and easy to operate: using bluetooth-compatible 3.0 chip, this bluetooth-compatible wireless keyboard is 8 times faster than bluetooth-compatible 2.0, the working distance can be 10m.Just turn the keyboard on or off, and the power will automatically turn on/off, at the same time, press "Fn + C" on the keyboard and connect with bluetooth-compatible to start working immediately.This bluetooth-compatible keyboard shell is made of aluminum alloy, making it smooth and luxurious.The built-in kickstand stand supports your device, and you can use your tablet and smartphone with the ideal viewing angle.The aluminum alloy case and ABS material keys provide you with a fast and natural typing experience.When folded, the bluetooth-compatible keyboard is only 2.20 inches wide and can be easily stowed in a backpack or pocket.The built-in powerful lithium polymer battery can last for 65~75 hours, and the standby time is 180 days.Item Name: bluetooth-compatible KeyboardMaterial: Aluminum Alloy + ABSBluetooth: bluetooth-compatible 3.0Working Distance: about 10mBattery Capacity: 400mAhCharging Time: Non-stop Time: about 65-75 HoursStandby Time: about 180 DaysFeatures: bluetooth-compatible Connection, Rechargeable, Ultra-Thin, FoldableSize: 14.8cm x 8.5cm x 1cm/5.83" x 3.35" x 0.39" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes: (Phone/Tablet Not Included)1 x bluetooth-compatible Keyboard1 x USB Charging Cable1 x User Manual