Microsoft Arc Date:   Monday , October 06, 2008 Further expanding its product line in computer peripherals, Microsoft has launched a dual mode mouse named Arc. It can be used in two modes—as desktop mouse when fully extended and as notebook mouse when folded. Based on 2.4GHz RF, Arc employs laser tracking and has a three-button top layout and two side buttons. Hitting the markets by the end of this month, it will be available in red and black colors at a price of Rs 2,688.