Folding Bluetooth Keyboard USA Broadcom Bluetooth 3.0 Solution, Taiwan Zhong ying cable solution     Scissors keys, UV silk printing,66 keys           Material: ABS+ Alluminum alloy Built-in 110mAh lithium battery   Support Windows、Android、IOS smart phone,Tablet and PC computer Updated version of ST-ICBK23. If KB run out of batteries, you can simply connect the keyboard to the computer with cable and use it directly. Foldable size: 146*85*14mm Unfold size: 3294*85*7mm Packing box size: 178*116*38MM