About this item [Mini flexible size,Easy to carry] This is a silica gel keyboard,can be rol for storage.Its lightweight and mini size allow you can pack it to anywhere.Perferct for traveler [Bluetooth connection,Driver-free] It easy connect with your PC or phone through Bluetooth.Strong anti-jamming capability,enjoy 10.0m / 32.8ft long-range control;There is no driver and installation needed,connect and play [Efficient power saving]Requires an 120mAh ies for work.Allows to be used for 1-2 month under normal daily use conditions [More features,perfect choice] The flat design of the flexible keyboard provides easy typing mode without wrist pressure.Strong eliminate noise to avoid affecting the rest of others;Waterproof and splashproof protect the keyboard well [Applicable types]Desktop computers,notebooks,tablets,smartphones and suport Windows/98/ME/2000/Vista/WIN7/Android/Ios system [Attention] Please pay attention to the size of keyboard as it is portable and is not designed in normal size. Operating system: Windows 2000