The all-new NXT Intelligent Brick, your robot’s “brain,” features a powerful 32-bit microprocessor and Flash memory, plus support for Bluetooth™ and USB 2.0! The NXT intelligent Brick includes:
* 32-bit ARM7 microprocessor.
* Support for Bluetooth wireless communication.
* 1 USB 2.0 port.
* 4 input ports.
* 3 output ports.
* Powered by 6 AA (1.5v). Batteries, not included, or lithium Rechargeable Battery (#9798), sold separately.