Features:BT3.0 wireless connection, up to 10m transmission distance, no messy cables anymore.64-key compact layout, with multi-function keys, good operating performance.Ingenious two-way folding design, ultra-thin body, easy to carry, convenient to use.Scissor foot button structure, quiet typing, comfortable typing experience.The touchpad serves as a mouse, you can enjoy smooth, accurate control.Built-in 140mAh rechargeable lithium battery, low power consumption, long endurance time.Support Windows/Android/iOS, suitable for mobile phone, tablet and laptop with BT function.Specification:Type: Foldable BT keyboardColor: Grey/Silver(optional)BT version: V3.0Working distance: Up to 10m(barrier-free)Battery capacity: 140mAhSupported system: Windows/Android/iOSFolding size: 16.1 * 9.1 * 1.25cm /6.34 * 3.58 * 0.49inUnfold size: 31.5 * 9.1 * 0.6cm /12.4 * 3.58 * 0.24inPacking list:1 * Keyboard1 * Charging cable