ThinkPad USB Laser Mouse The new ThinkPad USB Laser Mouse (57Y4635) utilizes optical tracking technology for precision control. Features include: Integrated wheel scrolling device Works on many surfaces; no mousepad required Full-size shape that fits comfortably in either hand Stealth Black color complements ThinkCentre and ThinkPad systems Scroll wheel also acts as programmable third mouse button Physical specifications ThinkPad USB Laser Mouse (57Y4635) Approximate weight: 76 g (0.2 lb) Approximate height: 96 mm (3.8 in) Approximate depth: 32 mm (1.3 in) Approximate width: 56 mm (2.2 in) Approximate USB cable length: 120 cm (3.94 ft) ThinkPad USB Laser Mouse (57Y4635) packaged in a shipping carton: Approximate weight: 180 g (0.4 lb) Approximate height: 155 mm (6.1 in) Approximate depth: 53 mm (2.1 in) Approximate width: 140 mm (5.5 in) Warranty 1 year – Customer Replacement Unit (CRU) Service Software requirements An Operating system that works with a standard USB port such as: Microsoft Windows XP 32-bit Microsoft Windows Vista Microsoft Windows 7 Hardware compatibility ThinkPad, ThinkCentre, IdeaPad, IdeaCenter or compatible PC with enabled USB port. Packaging ThinkPad USB Laser Mouse Installation CD Warranty publication Laser safety manual Agency approvals IEC 60950-1, First Edition EN60950-1, First Edition EN60825-1 IEC 60825-1 USA Title 21 CFR Subchapter J CUL TUV-Bauart C-Tick BSMI MIC FCC Part 15, Class B CISPR22 Class B EN 55022 1998 + A1:2000 + A2: 2003 EN 50024 1998 + A1:2001 + A2: 2003 VCCI