It can be pre-ordered from any of their Official Resellers, and below are some additional product details from their page, as follows:
• Connect PS/2 or USB mouse & keyboard to your XBox 360.
• Compatible with all mice and keyboards.
• Accuracy in aiming and fast response while playing shooting game.
• Easy to map all 360 wired controller keys to keyboard and mouse via PC by XCM software.
• When using with our new coming product (Magic Link), the remote player can help you to pass the game level via the internet from his PC.
• 3 levels of auto-fire functionality.