Description: Vertical Design: The vertical design keeps your hand and arm in a more natural and comfortable position. Compact Size: compact size and portable make it easy to use at home, at work, or anywhere else. Plug & Play and Adjustable DPI: just plug the USB receiver into your laptop, four adjustable DPI for freely controlling mouse speed, DPI up to 2400dpi, 6 buttons. 2.4G USB Wireless Mouse: up to 10-meter working distance, the mouse can be used. Suitable for using the mouse in dormitory, office, home and so on. Compatibility: compatible with Windows windo, linux, ios etc.  for desktop, laptop, PC. Specification: Type: mouse Connection with computer: wireless Applicable models: laptop Photoelectric resolution: 2400dpi(dpi) Number of keys: 6 (keys) Interface: USB Wireless transmission frequency: 2.4G Operating distance: about 10 m Wheel direction: up and down Size Chart: Size: approx. 105x65x95mm / 4.13x2.56x3.74 inch Package Includes: 1x Wireless Mouse 1x USB Receiver Note: Please allow 1-3mm measuring deviation due to manual measurement. Due to the different monitor and light effect,the actual color of the item might be slightly different from the color showed on the pictures.Thank you!