Plug Play Super Easy to Use -- This wireless mouse for laptop adopt really plug play design, no drivers need to be installed. 2.4GHz wireless transmission technology provides a powerful and reliable connection up to 33ft and 1000dpi. Portable Size Noiseless Computer Mouse -- Portable design make it easy to store in bag for traveling, Portable and compact size, perfect for traveling carry. responsive buttons provides very soft click with less noise, no more disturbing for others with the loud clicking sound.Also, the different color option and the compact size make it the best choice to help you work well. Comfortable Ergonomic Design -- After thousands of palm data samples, we designed this ergonomic wireless optical mouse.wireless mouse for laptop features a streamlined arc, significantly reducing stress on your hand, wrist and arm caused by prolonged usage. Furthermore, The comfortable curved structure and hand rest make the tendons and muscles of our forearm less strained. Power Saving and Long-lasting -- This USB mouse has auto-sleep mode of standby lengthens the battery life (No Include Battery). It will enter auto power-saving mode after 10 minutes of inactivity, click any button, or moving to activate it. size: 10.4*6.1CM