Amazon offers a new wireless bluetooth sliding keyboard and hardshell case combo for the iPhone 4S for $19.25+2.85 shipping. The case acts as both a rugged case to protect the device and as a full slide-out QWERTY keyboard. The keyboard connects over Bluetooth and also has a search and home button included. The case/keyboard is powered by a lithium battery that can be charged via a miniUSB cable (comes included). It also features an on/off switch to preserve battery. Check out another image after the break.