Shop POP Mouse. Features emoji function button for easy chat entry, SilentTouch tech, high speed scrolling, and precision tracking in a playful color scheme. Logitech POP Wireless Mouse with Emoji Button Function in Graphite. The Pop Icon's compact design is perfect if you're on the go and it fits snuggly into your palm. SilentTouch technology keeps your clicks super-quiet, so you won't get dirty looks at the library. The SmartWheel's got two speeds - high precision and fast for flying through pages. It's got a dedicated button that brings up emojis, or you can assign your own actions in the Logi Options+ App. You can have it connected to 3 devices and switch between them using the Easy-Switch button. The included AA battery gives you up to 2 years of use before you need to swap it out.