• V-Track 2.4G Wireless Mouse • No shaking wireless connection • 10 m operating range • 1000 DPI • Innovative V-Track technology utilizes vertical light which goes deep into the details of all surfaces. Guaranteed smooth and accurate tracking anywhere, even on furry textiles. • Nanoreceiver • 2 AAA alkaline batteries • Mouse dimension 92.5 x 55.6 x 34.2 mm • Weight 50g