Description: More ergonomically innovative technological design, a new mouse concept. The mouse is operated between the thumb, index finger and middle finger, and the mouse can also be used for typing at the same time. Shorten the time of keyboard and mouse operation by hand. Lightweight and easy to carry without taking up space. 1600DPI supports USB, and the weight is only 1/3-1/4 of a general optical sliding mouse. Specification Product color: black, blue, purple, yellow, pink Interface: USB Operating distance: 7-10m Frequency: 2.4GHz DPI:1600 DPI Fit Models: ALL notebook ,laptop tablet,Desktop PC Battery: 1pc AAA battery (NOT included) Specifications: Free wireless,high sensitivity,Five colors available. Ergonomics mouse.Easy to carry. 2.4 Wireless, smart power, smart receiving, streamlined appearance, precise positioning. Package Included: 1 x Wireless Finger Rings Optical Mouse 1 x USB Receiver