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
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)

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
Microsoft Windows 8

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