Features:
*Operating distance:0-10m
*Battery:Built-in Rechargeable Li-ion battery
*Power :charge by USB
*Aircraft grade aluminum with a bead-blasted,anodized finishe that matches the iPad2/new iPad
*Military grae high-density padding for superior drop protection
*Stylish ,thin and light weight,half as thin as most folios for the iPad2/new iPad
*Embedded wireless Bluetooth physical keyboard
*Innovative hinge provides angels for viewing and typing in both portrait and landscape mode
*special function keys for music control ,volume control ,slideshow.home ,search ,etc.