Bluetooth Foldable Keyboard, Portable Folding Keyboard With Free Phone Holder, Let You Work Anytime, Anywhere The Standard-Size Design Provides Accurate And Fast Typing, Just Like You'Re Used To With A Desktop Keyboard. Mute Keys So You Can Focus On Your Work. Perfect For Travel And Business Trips. Pocket Size, Easy To Use, Can Be Folded Into Your Pocket Or Backpack To Carry. Simply Press The Connect Button To Quickly Pair With Your Device. Automatic On/Off And Reconnection Design For More Convenient Operation. With The Folding Keyboard, You Can Quickly Write Down Your Thoughts Anywhere Tactile Feel And Clean Appearance Perfect For Your Laptop And Desktop. Built-In Lithium Battery, Suitable For Short Business Trips Or Vacations. Multi-System Compatible, Bluetooth Keyboard Can Work Seamlessly With Ios, Android And Windows. Maintain A Stable Connection And Respond Quickly To The Device Within 10 Meters Of Operation. Three-Mode Bluetooth Folding Keyboard, Connect Three Devices At The Same Time, Compatible With Bluetooth 4.1type-C, Built-In Lithium Battery. Description: Keyboard Unfolded Size: 27x10.1x1.19cm Keyboard Closed Size: 14.2x10.1x1.19cm Use System: Support Ios, Android, Windows System Product Use Distance: Effective Operation Can Be Achieved Within 8-10 Meters Modulation : Gfsk Battery Capacity: Lithium Battery 90ma Battery Voltage: 3.7v Keyboard Layout: 65 Keys Working Distance: 8m-10m Bluetooth Version: 5.1 Working Voltage: 3.3v-4.2v Standby Current: Less than 1ma Working Current With Buttons: Less than 3ma Sleep Current: Less than 20A : 10 Minutes Wake Up Mode: Press Any Key Material: ABS colour: Black gray Package Contents: 1 x Folding Keyboard Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.