... later, The Keyboard (NOT case) is a perfect companion for your smart phone, PC, PS3,HTPC,that makes typing, ... hard case offers high protection for your iPhone4/4S.2.Support mobile operating system:Apple iPhone&iPad 4.0 and ... Symbian S60 V3.0 and later.3.Color LED for working status indication.4.Built-in intelligent power manage ... :Bluetooth V3.0,Class 2 Sliding Bluetooth Keyboard for iphone 4/4s