USB2.0 Wireless Finger Handheld Mouse Mice Trackball Mouse for Laptop PC

• Suitable for Tablet PC & Laptop & Desktop compute
• USB PORT, USB receiver is included
• FOUR GROUP DPI:400,600,800,100
• Built-in rechargeable battery
• Charging time: 3-4 hours (USB charging cable is included)

This works great. More impressed with the quality. What a great design and you don't need desk space to operate. Bought for my 87 year old father because his hands shakes and can't use a regular mouse.