The full-size large anatomically shaped mouse is made in a black restrained design and is completely covered with a pleasant to the touch Soft Touch coating, which is the key to comfortable work. An additional support under the thumb, with a textured insert, make the mouse as comfortable as possible for long-term use. The built-in lithium-polymer battery will provide up to 60 days of operation, when fully charged, and if you need to charge the mouse can be easily used in wired mode, connected to a PC for recharging.