ELECOM Wireless Ergonomic Shape Mouse, 2.4GHz with

ERGONOMIC SHAPE - Particular about height and angle can be used in a relaxed posture from the palm to the wrist and arm. SILENT CLICK SWITCH - A Silent switch does not make a ticking sound. You can use mouse during the meeting, early in the morning and night work, even when you work at home, without worrying about the sounds around you. WIRELESS 2.4GHZ CONNECTION MODEL - Simply insert the receiver into a USB port on your PC. The receiver is ultra-compact and can be stored in the mouse body, making it difficult to lose and convenient to carry around. CUSTOMIZABLE BUTTONS - The button function assignment ELECOM Mouse Assistant software, which can be downloaded from the website, allows you to customize the buttons to your preferred functions. DIMENSION & WEIGHT - 3.0in x 4.5in x 2.2in, Weight: 2.9oz