Double-Shot keys for durable letters that never wear off; 12 media keys for easy access to media and entertainment control

Ambidextrous mouse with switchable dpi among 800/1200/1600 for multiple environment;

Plug-n-Play USB dongle, paired with auto-sleep, which automatically sets the mouse off after unplugging the dongle or 

turning off the computer, for easy set up and long time use.