Large wireless mouse with great orthotic design and features. 

Features:

• Dimensions: 5″W x 5″L x 2"H
• Hyper-fast scroll wheel and laser sensor
• Rechargeable mouse
• 4 programmable buttons
• Wireless with USB receiver (dongle)

Special Notes:

• System Compatibility: Windows XP and later; Mac OS X 10.4 or later
• Good for medium to large hands