Ergonomic Design: Supports your hand in natural handshake position, Reduce forearm strain and wrist pressure, best care of your wrist and palm, stop hurting.Triple Connectivity: Connect vertical mouse via included USB receiver, Type C receiver or Bluetooth. Control THREE DEVICES No problem. Just press one button, you can switch between three devices freely, from your desktop to your tablet, Mac to cellphone, extremely convenient.Rechargeable Battery: Powered with USB charging cable, no longer need to buy batteries. Durable and Eco-friendly, 1 hour quick charge, 2 month work. (Battery life may vary based on user and computing conditions).Silent Sensitive Click : 1000 / 1600 / 2400 DPI for fast response, smooth tracking and precision movement on a wide range of surface. Soft click, less noise, keep you stay focused on your work, no disturbing others.Great compatibility : Bluetooth mode supports Bluetooth enabled devices with Windows / Android / MAC OS system, no need occupy PC interface 2.4GHz wireless mode works with PC, laptop, cellphone and any device having USB port/Type c port by just plug in the USB receiver/Type C receiver, no additional software needed. Note: The USB receiver/Type c receiver is stored in the back of the mouse. Forward/backward button browsing buttons will not function on MacVertical Wireless Mouse, Jelly Comb Ergonomic Mouse Reduces Wrist Strain, Easy Switch Between 3 Computers with Bluetooth, USB or Type C Connection, Rechargeable - MV09D Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.