A slightly larger evolution of the company's earlier, popular Sounddock, Bose's new Sounddock Portable ($399) is, as the name suggests, capable of being used outdoors or anyplace else without convenient access to a wall outlet. Now equipped with a detachable rechargeable battery pack and newly improved speaker drivers, Sounddock has a rotating front dock that slides into the unit's front panel for more convenient carrying, side-mounted volume controls,…
