The Sony PlayStation 3 Move Navigation Controller Features:

• Wireless control completely untethered from the PlayStation Move motion controller.
• Intuitive navigation of in-game characters
• Easy and intuitive XMB menu navigation.
• Built-in rechargeable Li-ion battery
• Charge the controller and automatically pair with the PS3 system via a USB cable
• Up to two motion controllers and two navigation controllers can be connected at once to the PS3 system.